117158872 has 32 divisors (see below), whose sum is σ = 235432800. Its totient is φ = 54514944.

The previous prime is 117158863. The next prime is 117158879. The reversal of 117158872 is 278851711.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117158879) 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, 1797 + ... + 15412.

It is an arithmetic number, because the mean of its divisors is an integer number (7357275).

Almost surely, 2^117158872 is an apocalyptic number.

It is an amenable number.

117158872 is an abundant number, since it is smaller than the sum of its proper divisors (118273928).

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

117158872 is a wasteful number, since it uses less digits than its factorization.

117158872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275 (or 17271 counting only the distinct ones).

The product of its digits is 31360, while the sum is 40.

The square root of 117158872 is about 10823.9951958600. The cubic root of 117158872 is about 489.3186030720.

The spelling of 117158872 in words is "one hundred seventeen million, one hundred fifty-eight thousand, eight hundred seventy-two".