117824864 has 24 divisors (see below), whose sum is σ = 236906208. Its totient is φ = 57658240.

The previous prime is 117824821. The next prime is 117824867. The reversal of 117824864 is 468428711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117824867) 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, 37667 + ... + 40674.

It is an arithmetic number, because the mean of its divisors is an integer number (9871092).

Almost surely, 2^117824864 is an apocalyptic number.

It is an amenable number.

117824864 is an abundant number, since it is smaller than the sum of its proper divisors (119081344).

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

117824864 is an equidigital number, since it uses as much as digits as its factorization.

117824864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78398 (or 78390 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 117824864 is about 10854.7162100167. The cubic root of 117824864 is about 490.2440322704.

The spelling of 117824864 in words is "one hundred seventeen million, eight hundred twenty-four thousand, eight hundred sixty-four".