117228864 has 28 divisors (see below), whose sum is σ = 310168544. Its totient is φ = 39076224.

The previous prime is 117228833. The next prime is 117228883. The reversal of 117228864 is 468822711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 305092 + ... + 305475.

It is an arithmetic number, because the mean of its divisors is an integer number (11077448).

Almost surely, 2^117228864 is an apocalyptic number.

It is an amenable number.

117228864 is an abundant number, since it is smaller than the sum of its proper divisors (192939680).

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

117228864 is an equidigital number, since it uses as much as digits as its factorization.

117228864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610582 (or 610572 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 117228864 is about 10827.2279000675. The cubic root of 117228864 is about 489.4160251145.

The spelling of 117228864 in words is "one hundred seventeen million, two hundred twenty-eight thousand, eight hundred sixty-four".