8992120100 has 36 divisors (see below), whose sum is σ = 19598159700. Its totient is φ = 3581132160.

The previous prime is 8992120057. The next prime is 8992120117. The reversal of 8992120100 is 10212998.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 795352804 + 8196767296 = 28202^2 + 90536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173435 + ... + 219234.

It is an arithmetic number, because the mean of its divisors is an integer number (544393325).

Almost surely, 2^8992120100 is an apocalyptic number.

It is an amenable number.

8992120100 is an abundant number, since it is smaller than the sum of its proper divisors (10606039600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8992120100 is a wasteful number, since it uses less digits than its factorization.

8992120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392912 (or 392905 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 8992120100 is about 94826.7899910147. The cubic root of 8992120100 is about 2079.4765771821.

The spelling of 8992120100 in words is "eight billion, nine hundred ninety-two million, one hundred twenty thousand, one hundred".