99038855880 has 96 divisors (see below), whose sum is σ = 321975983160. Its totient is φ = 26402181120.

The previous prime is 99038855863. The next prime is 99038855941. The reversal of 99038855880 is 8855883099.

It can be written as a sum of positive squares in 4 ways, for example, as 98286012036 + 752843844 = 313506^2 + 27438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1169034 + ... + 1250886.

Almost surely, 2^99038855880 is an apocalyptic number.

99038855880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99038855880 is an abundant number, since it is smaller than the sum of its proper divisors (222937127280).

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

99038855880 is a wasteful number, since it uses less digits than its factorization.

99038855880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85231 (or 85224 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 99038855880 in words is "ninety-nine billion, thirty-eight million, eight hundred fifty-five thousand, eight hundred eighty".