115772364 has 18 divisors (see below), whose sum is σ = 292646900. Its totient is φ = 38590776.

The previous prime is 115772353. The next prime is 115772389. The reversal of 115772364 is 463277511.

It is a happy number.

115772364 is a `hidden beast` number, since 1 + 1 + 577 + 23 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×115772364² = 26806480532296992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3215899 = 115772364 / (1 + 1 + 5 + 7 + 7 + 2 + 3 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1607914 + ... + 1607985.

Almost surely, 2^115772364 is an apocalyptic number.

It is an amenable number.

115772364 is an abundant number, since it is smaller than the sum of its proper divisors (176874536).

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

115772364 is a wasteful number, since it uses less digits than its factorization.

115772364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215909 (or 3215904 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 115772364 is about 10759.7566886989. The cubic root of 115772364 is about 487.3806698066.

The spelling of 115772364 in words is "one hundred fifteen million, seven hundred seventy-two thousand, three hundred sixty-four".