117887572925 has 12 divisors (see below), whose sum is σ = 146237351520. Its totient is φ = 94273438320.

The previous prime is 117887572889. The next prime is 117887572931. The reversal of 117887572925 is 529275788711.

It is not a de Polignac number, because 117887572925 - 2²² = 117883378621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849737 + ... + 978686.

It is an arithmetic number, because the mean of its divisors is an integer number (12186445960).

Almost surely, 2^117887572925 is an apocalyptic number.

It is an amenable number.

117887572925 is a deficient number, since it is larger than the sum of its proper divisors (28349778595).

117887572925 is a wasteful number, since it uses less digits than its factorization.

117887572925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831012 (or 1831007 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 62.

The spelling of 117887572925 in words is "one hundred seventeen billion, eight hundred eighty-seven million, five hundred seventy-two thousand, nine hundred twenty-five".