99179888900 has 36 divisors (see below), whose sum is σ = 215819936640. Its totient is φ = 39561434400.

The previous prime is 99179888897. The next prime is 99179888933. The reversal of 99179888900 is 988897199.

It is a happy 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, 1345436 + ... + 1417235.

It is an arithmetic number, because the mean of its divisors is an integer number (5994998240).

Almost surely, 2^99179888900 is an apocalyptic number.

It is an amenable number.

99179888900 is an abundant number, since it is smaller than the sum of its proper divisors (116640047740).

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

99179888900 is a wasteful number, since it uses less digits than its factorization.

99179888900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763044 (or 2763037 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 68.

The spelling of 99179888900 in words is "ninety-nine billion, one hundred seventy-nine million, eight hundred eighty-eight thousand, nine hundred".