(10^246). This is a very astronomical number!
A Unoctogintillionaire is someone whos assets, net worth or wealth is 1 or more Unoctogintillion. It is unlikely anyone will ever be a true Unoctogintillionaire. If you want to be a Unoctogintillionaire, play Tap Tales!
Unoctogintillion is not the largest number.
best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.