115870617 has 6 divisors (see below), whose sum is σ = 167368682. Its totient is φ = 77247072.

The previous prime is 115870549. The next prime is 115870649. The reversal of 115870617 is 716078511.

It is a happy number.

115870617 is a `hidden beast` number, since 11 + 587 + 0 + 61 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86936976 + 28933641 = 9324^2 + 5379^2 .

It is not a de Polignac number, because 115870617 - 2⁸ = 115870361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115870217) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6437248 + ... + 6437265.

Almost surely, 2^115870617 is an apocalyptic number.

It is an amenable number.

115870617 is a deficient number, since it is larger than the sum of its proper divisors (51498065).

115870617 is a wasteful number, since it uses less digits than its factorization.

115870617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12874519 (or 12874516 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 115870617 is about 10764.3214834935. The cubic root of 115870617 is about 487.5185065953.

The spelling of 115870617 in words is "one hundred fifteen million, eight hundred seventy thousand, six hundred seventeen".