115717864 has 16 divisors (see below), whose sum is σ = 217368900. Its totient is φ = 57752832.

The previous prime is 115717843. The next prime is 115717871. The reversal of 115717864 is 468717511.

It can be written as a sum of positive squares in 2 ways, for example, as 95844100 + 19873764 = 9790^2 + 4458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8529 + ... + 17440.

Almost surely, 2^115717864 is an apocalyptic number.

It is an amenable number.

115717864 is a deficient number, since it is larger than the sum of its proper divisors (101651036).

115717864 is a wasteful number, since it uses less digits than its factorization.

115717864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26532 (or 26528 counting only the distinct ones).

The product of its digits is 47040, while the sum is 40.

The square root of 115717864 is about 10757.2238054249. The cubic root of 115717864 is about 487.3041794285.

The spelling of 115717864 in words is "one hundred fifteen million, seven hundred seventeen thousand, eight hundred sixty-four".