115787688 has 16 divisors (see below), whose sum is σ = 289469280. Its totient is φ = 38595888.

The previous prime is 115787687. The next prime is 115787701. The reversal of 115787688 is 886787511.

It is a self number, because there is not a number n which added to its sum of digits gives 115787688.

It is not an unprimeable number, because it can be changed into a prime (115787687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2412220 + ... + 2412267.

It is an arithmetic number, because the mean of its divisors is an integer number (18091830).

Almost surely, 2^115787688 is an apocalyptic number.

It is an amenable number.

115787688 is an abundant number, since it is smaller than the sum of its proper divisors (173681592).

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

115787688 is a wasteful number, since it uses less digits than its factorization.

115787688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824496 (or 4824492 counting only the distinct ones).

The product of its digits is 752640, while the sum is 51.

The square root of 115787688 is about 10760.4687630233. The cubic root of 115787688 is about 487.4021726121.

The spelling of 115787688 in words is "one hundred fifteen million, seven hundred eighty-seven thousand, six hundred eighty-eight".