99100639875 has 32 divisors (see below), whose sum is σ = 164937277440. Its totient is φ = 52842837600.

The previous prime is 99100639871. The next prime is 99100639889. The reversal of 99100639875 is 57893600199.

It is not a de Polignac number, because 99100639875 - 2² = 99100639871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99100639871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2007742 + ... + 2056508.

It is an arithmetic number, because the mean of its divisors is an integer number (5154289920).

Almost surely, 2^99100639875 is an apocalyptic number.

99100639875 is a deficient number, since it is larger than the sum of its proper divisors (65836637565).

99100639875 is a wasteful number, since it uses less digits than its factorization.

99100639875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54204 (or 54194 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 99100639875 in words is "ninety-nine billion, one hundred million, six hundred thirty-nine thousand, eight hundred seventy-five".