Octoquinquagintatrecentillion

A Octoquinquagintatrecentillion (1 Octoquinquagintatrecentillion) is 10 to the power of 1077 (10^1077). This is a tremendously astronomical number!

How many zeros in a Octoquinquagintatrecentillion?

There are 1,077 zeros in a Octoquinquagintatrecentillion.

What's before Octoquinquagintatrecentillion?

A Septenquinquagintatrecentillion is smaller than a Octoquinquagintatrecentillion.

What's after Octoquinquagintatrecentillion?

A Novenquinquagintatrecentillion is larger than a Octoquinquagintatrecentillion.

Octoquinquagintatrecentillionaire

A Octoquinquagintatrecentillionaire is someone whos assets, net worth or wealth is 1 or more Octoquinquagintatrecentillion. It is unlikely anyone will ever be a true Octoquinquagintatrecentillionaire. If you want to be a Octoquinquagintatrecentillionaire, play Tap Tales!

Is Octoquinquagintatrecentillion the largest number?

Octoquinquagintatrecentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Octoquinquagintatrecentillion written out

Octoquinquagintatrecentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Big Numbers

This is just one of many really big numbers!