117317992 has 32 divisors (see below), whose sum is σ = 248248800. Its totient is φ = 51486400.

The previous prime is 117317983. The next prime is 117318011. The reversal of 117317992 is 299713711.

It is a super-2 number, since 2×117317992² = 27527022493824128, which contains 22 as substring.

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, 20434 + ... + 25537.

It is an arithmetic number, because the mean of its divisors is an integer number (7757775).

Almost surely, 2^117317992 is an apocalyptic number.

It is an amenable number.

117317992 is an abundant number, since it is smaller than the sum of its proper divisors (130930808).

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

117317992 is a wasteful number, since it uses less digits than its factorization.

117317992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46017 (or 46013 counting only the distinct ones).

The product of its digits is 23814, while the sum is 40.

The square root of 117317992 is about 10831.3430376847. The cubic root of 117317992 is about 489.5400264906.

The spelling of 117317992 in words is "one hundred seventeen million, three hundred seventeen thousand, nine hundred ninety-two".