117087317388 has 36 divisors (see below), whose sum is σ = 296021445720. Its totient is φ = 39022416576.

The previous prime is 117087317383. The next prime is 117087317411. The reversal of 117087317388 is 883713780711.

117087317388 is a `hidden beast` number, since 1 + 170 + 87 + 3 + 17 + 388 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (117087317381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63478 + ... + 488061.

Almost surely, 2^117087317388 is an apocalyptic number.

117087317388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117087317388 is an abundant number, since it is smaller than the sum of its proper divisors (178934128332).

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

117087317388 is a wasteful number, since it uses less digits than its factorization.

117087317388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557446 (or 557441 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 117087317388 in words is "one hundred seventeen billion, eighty-seven million, three hundred seventeen thousand, three hundred eighty-eight".