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Octosexagintacentillion

A Octosexagintacentillion (1 Octosexagintacentillion) is 10 to the power of 507 (10^507). This is a tremendously astronomical number!

How many zeros in a Octosexagintacentillion?

There are 507 zeros in a Octosexagintacentillion.

What's before Octosexagintacentillion?

A Septensexagintacentillion is smaller than a Octosexagintacentillion.

What's after Octosexagintacentillion?

A Novensexagintacentillion is larger than a Octosexagintacentillion.

Octosexagintacentillionaire

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

Is Octosexagintacentillion the largest number?

Octosexagintacentillion 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.

Octosexagintacentillion written out

Octosexagintacentillion 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


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