90009099090008 has 48 divisors (see below), whose sum is σ = 201626836038720. Its totient is φ = 37532751738048.

The previous prime is 90009099089893. The next prime is 90009099090013. The reversal of 90009099090008 is 80009099090009.

It is a happy number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 3102891560 + ... + 3102920567.

It is an arithmetic number, because the mean of its divisors is an integer number (4200559084140).

Almost surely, 2^{90009099090008} is an apocalyptic number.

90009099090008 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

90009099090008 is an abundant number, since it is smaller than the sum of its proper divisors (111617736948712).

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

90009099090008 is a wasteful number, since it uses less digits than its factorization.

90009099090008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205812184 (or 6205812173 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 53.

Subtracting from 90009099090008 its reverse (80009099090009), we obtain a palindrome (9999999999999).

The spelling of 90009099090008 in words is "ninety trillion, nine billion, ninety-nine million, ninety thousand, eight".