117509656 has 32 divisors (see below), whose sum is σ = 243417600. Its totient is φ = 52734240.

The previous prime is 117509641. The next prime is 117509663. The reversal of 117509656 is 656905711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500 + ... + 15403.

It is an arithmetic number, because the mean of its divisors is an integer number (7606800).

Almost surely, 2^117509656 is an apocalyptic number.

It is an amenable number.

117509656 is an abundant number, since it is smaller than the sum of its proper divisors (125907944).

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

117509656 is a wasteful number, since it uses less digits than its factorization.

117509656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999 (or 16995 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 117509656 is about 10840.1870832565. The cubic root of 117509656 is about 489.8064708463.

The spelling of 117509656 in words is "one hundred seventeen million, five hundred nine thousand, six hundred fifty-six".