117864824 has 32 divisors (see below), whose sum is σ = 275529600. Its totient is φ = 45921120.

The previous prime is 117864823. The next prime is 117864827. The reversal of 117864824 is 428468711.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117864823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95054 + ... + 96285.

It is an arithmetic number, because the mean of its divisors is an integer number (8610300).

Almost surely, 2^117864824 is an apocalyptic number.

117864824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

117864824 is an abundant number, since it is smaller than the sum of its proper divisors (157664776).

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

117864824 is a wasteful number, since it uses less digits than its factorization.

117864824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191363 (or 191359 counting only the distinct ones).

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

The square root of 117864824 is about 10856.5567285397. The cubic root of 117864824 is about 490.2994476744.

The spelling of 117864824 in words is "one hundred seventeen million, eight hundred sixty-four thousand, eight hundred twenty-four".