117687912 has 32 divisors (see below), whose sum is σ = 298615200. Its totient is φ = 38643264.

The previous prime is 117687907. The next prime is 117687929. The reversal of 117687912 is 219786711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34987 + ... + 38202.

It is an arithmetic number, because the mean of its divisors is an integer number (9331725).

Almost surely, 2^117687912 is an apocalyptic number.

117687912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117687912 is an abundant number, since it is smaller than the sum of its proper divisors (180927288).

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

117687912 is a wasteful number, since it uses less digits than its factorization.

117687912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73265 (or 73261 counting only the distinct ones).

The product of its digits is 42336, while the sum is 42.

The square root of 117687912 is about 10848.4059658551. The cubic root of 117687912 is about 490.0540159805.

The spelling of 117687912 in words is "one hundred seventeen million, six hundred eighty-seven thousand, nine hundred twelve".