115712587 has 2 divisors, whose sum is σ = 115712588. Its totient is φ = 115712586.

The previous prime is 115712533. The next prime is 115712627. The reversal of 115712587 is 785217511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115712587 - 2⁷ = 115712459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115712507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57856293 + 57856294.

It is an arithmetic number, because the mean of its divisors is an integer number (57856294).

Almost surely, 2^115712587 is an apocalyptic number.

115712587 is a deficient number, since it is larger than the sum of its proper divisors (1).

115712587 is an equidigital number, since it uses as much as digits as its factorization.

115712587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19600, while the sum is 37.

The square root of 115712587 is about 10756.9785255898. The cubic root of 115712587 is about 487.2967719198.

The spelling of 115712587 in words is "one hundred fifteen million, seven hundred twelve thousand, five hundred eighty-seven".