117517158 has 48 divisors (see below), whose sum is σ = 294115536. Its totient is φ = 33515520.

The previous prime is 117517067. The next prime is 117517181. The reversal of 117517158 is 851715711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14091 + ... + 20822.

It is an arithmetic number, because the mean of its divisors is an integer number (6127407).

Almost surely, 2^117517158 is an apocalyptic number.

117517158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117517158 is an abundant number, since it is smaller than the sum of its proper divisors (176598378).

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

117517158 is a wasteful number, since it uses less digits than its factorization.

117517158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34949 (or 34946 counting only the distinct ones).

The product of its digits is 9800, while the sum is 36.

The square root of 117517158 is about 10840.5331049723. The cubic root of 117517158 is about 489.8168939612.

The spelling of 117517158 in words is "one hundred seventeen million, five hundred seventeen thousand, one hundred fifty-eight".