117792931 has 4 divisors (see below), whose sum is σ = 117855864. Its totient is φ = 117730000.

The previous prime is 117792929. The next prime is 117792937. The reversal of 117792931 is 139297711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117792931 - 2¹ = 117792929 is a prime.

It is a super-2 number, since 2×117792931² = 27750349187141522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117792937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28570 + ... + 32431.

It is an arithmetic number, because the mean of its divisors is an integer number (29463966).

Almost surely, 2^117792931 is an apocalyptic number.

117792931 is a deficient number, since it is larger than the sum of its proper divisors (62933).

117792931 is an equidigital number, since it uses as much as digits as its factorization.

117792931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62932.

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

The square root of 117792931 is about 10853.2451828935. The cubic root of 117792931 is about 490.1997394768.

The spelling of 117792931 in words is "one hundred seventeen million, seven hundred ninety-two thousand, nine hundred thirty-one".