117318864 has 40 divisors (see below), whose sum is σ = 326388832. Its totient is φ = 36097920.

The previous prime is 117318829. The next prime is 117318869. The reversal of 117318864 is 468813711.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117318869) 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, 93382 + ... + 94629.

Almost surely, 2^117318864 is an apocalyptic number.

It is an amenable number.

117318864 is an abundant number, since it is smaller than the sum of its proper divisors (209069968).

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

117318864 is a wasteful number, since it uses less digits than its factorization.

117318864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188035 (or 188029 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 117318864 is about 10831.3832911591. The cubic root of 117318864 is about 489.5412393703.

The spelling of 117318864 in words is "one hundred seventeen million, three hundred eighteen thousand, eight hundred sixty-four".