115870023387 has 6 divisors (see below), whose sum is σ = 167367811572. Its totient is φ = 77246682252.

The previous prime is 115870023343. The next prime is 115870023389. The reversal of 115870023387 is 783320078511.

115870023387 is a `hidden beast` number, since 11 + 587 + 0 + 0 + 23 + 38 + 7 = 666.

It is not a de Polignac number, because 115870023387 - 2⁷ = 115870023259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115870023389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6437223513 + ... + 6437223530.

It is an arithmetic number, because the mean of its divisors is an integer number (27894635262).

Almost surely, 2^115870023387 is an apocalyptic number.

115870023387 is a deficient number, since it is larger than the sum of its proper divisors (51497788185).

115870023387 is a wasteful number, since it uses less digits than its factorization.

115870023387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12874447049 (or 12874447046 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 115870023387 in words is "one hundred fifteen billion, eight hundred seventy million, twenty-three thousand, three hundred eighty-seven".