117151808 has 28 divisors (see below), whose sum is σ = 232818432. Its totient is φ = 58488960.

The previous prime is 117151807. The next prime is 117151829. The reversal of 117151808 is 808151711.

It is a super-2 number, since 2×117151808² = 27449092235337728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (117151807) 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, 78041 + ... + 79527.

It is an arithmetic number, because the mean of its divisors is an integer number (8314944).

Almost surely, 2^117151808 is an apocalyptic number.

It is an amenable number.

117151808 is a deficient number, since it is larger than the sum of its proper divisors (115666624).

117151808 is a wasteful number, since it uses less digits than its factorization.

117151808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 32.

The square root of 117151808 is about 10823.6688788968. The cubic root of 117151808 is about 489.3087685171.

The spelling of 117151808 in words is "one hundred seventeen million, one hundred fifty-one thousand, eight hundred eight".