117939872 has 24 divisors (see below), whose sum is σ = 239686272. Its totient is φ = 57067200.

The previous prime is 117939851. The next prime is 117939917. The reversal of 117939872 is 278939711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58454 + ... + 60437.

It is an arithmetic number, because the mean of its divisors is an integer number (9986928).

Almost surely, 2^117939872 is an apocalyptic number.

It is an amenable number.

117939872 is an abundant number, since it is smaller than the sum of its proper divisors (121746400).

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

117939872 is a wasteful number, since it uses less digits than its factorization.

117939872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118932 (or 118924 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 117939872 is about 10860.0125230130. The cubic root of 117939872 is about 490.4034882885.

It can be divided in two parts, 117939 and 872, that added together give a palindrome (118811).

The spelling of 117939872 in words is "one hundred seventeen million, nine hundred thirty-nine thousand, eight hundred seventy-two".