117969992 has 32 divisors (see below), whose sum is σ = 253254720. Its totient is φ = 50466240.

The previous prime is 117969991. The next prime is 117970001. The reversal of 117969992 is 299969711.

It is not an unprimeable number, because it can be changed into a prime (117969991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35423 + ... + 38609.

It is an arithmetic number, because the mean of its divisors is an integer number (7914210).

Almost surely, 2^117969992 is an apocalyptic number.

It is an amenable number.

117969992 is an abundant number, since it is smaller than the sum of its proper divisors (135284728).

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

117969992 is a wasteful number, since it uses less digits than its factorization.

117969992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861 (or 3857 counting only the distinct ones).

The product of its digits is 551124, while the sum is 53.

The square root of 117969992 is about 10861.3991732189. The cubic root of 117969992 is about 490.4452318639.

The spelling of 117969992 in words is "one hundred seventeen million, nine hundred sixty-nine thousand, nine hundred ninety-two".