117250317498978 has 48 divisors (see below), whose sum is σ = 263479739140800. Its totient is φ = 39079224724176.

The previous prime is 117250317498959. The next prime is 117250317499013. The reversal of 117250317498978 is 879894713052711.

117250317498978 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 50 + 3 + 17 + 498 + 9 + 78 = 666.

It is a super-2 number, since 2×117250317498978² (a number of 29 digits) contains 22 as substring.

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, 8494278 + ... + 17511521.

It is an arithmetic number, because the mean of its divisors is an integer number (5489161232100).

Almost surely, 2^{117250317498978} is an apocalyptic number.

117250317498978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117250317498978 is an abundant number, since it is smaller than the sum of its proper divisors (146229421641822).

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

117250317498978 is an equidigital number, since it uses as much as digits as its factorization.

117250317498978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26015093 (or 26015081 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 72.

The spelling of 117250317498978 in words is "one hundred seventeen trillion, two hundred fifty billion, three hundred seventeen million, four hundred ninety-eight thousand, nine hundred seventy-eight".