117178872 has 16 divisors (see below), whose sum is σ = 292947240. Its totient is φ = 39059616.

The previous prime is 117178847. The next prime is 117178903. The reversal of 117178872 is 278871711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441203 + ... + 2441250.

Almost surely, 2^117178872 is an apocalyptic number.

117178872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117178872 is an abundant number, since it is smaller than the sum of its proper divisors (175768368).

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

117178872 is a wasteful number, since it uses less digits than its factorization.

117178872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882462 (or 4882458 counting only the distinct ones).

The product of its digits is 43904, while the sum is 42.

The square root of 117178872 is about 10824.9190297203. The cubic root of 117178872 is about 489.3464450814.

The spelling of 117178872 in words is "one hundred seventeen million, one hundred seventy-eight thousand, eight hundred seventy-two".