117618508 has 12 divisors (see below), whose sum is σ = 235237072. Its totient is φ = 50407920.

The previous prime is 117618503. The next prime is 117618511. The reversal of 117618508 is 805816711.

117618508 is an admirable number.

It is a super-2 number, since 2×117618508² = 27668226848292128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117618503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100303 + ... + 2100358.

Almost surely, 2^117618508 is an apocalyptic number.

It is an amenable number.

117618508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117618508 is a wasteful number, since it uses less digits than its factorization.

117618508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200672 (or 4200670 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 117618508 is about 10845.2066831389. The cubic root of 117618508 is about 489.9576639808.

The spelling of 117618508 in words is "one hundred seventeen million, six hundred eighteen thousand, five hundred eight".