117592857 has 8 divisors (see below), whose sum is σ = 174211680. Its totient is φ = 78395220.

The previous prime is 117592837. The next prime is 117592861. The reversal of 117592857 is 758295711.

117592857 is a `hidden beast` number, since 1 + 1 + 7 + 592 + 8 + 57 = 666.

It is not a de Polignac number, because 117592857 - 2¹⁶ = 117527321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117592837) 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 7 ways as a sum of consecutive naturals, for example, 2177619 + ... + 2177672.

It is an arithmetic number, because the mean of its divisors is an integer number (21776460).

Almost surely, 2^117592857 is an apocalyptic number.

It is an amenable number.

117592857 is a deficient number, since it is larger than the sum of its proper divisors (56618823).

117592857 is an equidigital number, since it uses as much as digits as its factorization.

117592857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355300 (or 4355294 counting only the distinct ones).

The product of its digits is 176400, while the sum is 45.

The square root of 117592857 is about 10844.0240224743. The cubic root of 117592857 is about 489.9220436860.

The spelling of 117592857 in words is "one hundred seventeen million, five hundred ninety-two thousand, eight hundred fifty-seven".