115406587 has 2 divisors, whose sum is σ = 115406588. Its totient is φ = 115406586.

The previous prime is 115406579. The next prime is 115406633. The reversal of 115406587 is 785604511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115406587 - 2³ = 115406579 is a prime.

It is not a weakly prime, because it can be changed into another prime (115406507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57703293 + 57703294.

It is an arithmetic number, because the mean of its divisors is an integer number (57703294).

Almost surely, 2^115406587 is an apocalyptic number.

115406587 is a deficient number, since it is larger than the sum of its proper divisors (1).

115406587 is an equidigital number, since it uses as much as digits as its factorization.

115406587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 115406587 is about 10742.7457849472. The cubic root of 115406587 is about 486.8668433309.

The spelling of 115406587 in words is "one hundred fifteen million, four hundred six thousand, five hundred eighty-seven".