115679587 has 4 divisors (see below), whose sum is σ = 117406216. Its totient is φ = 113952960.

The previous prime is 115679567. The next prime is 115679591. The reversal of 115679587 is 785976511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115679587 - 2¹¹ = 115677539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115679587.

It is not an unprimeable number, because it can be changed into a prime (115679527) 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 3 ways as a sum of consecutive naturals, for example, 863214 + ... + 863347.

It is an arithmetic number, because the mean of its divisors is an integer number (29351554).

Almost surely, 2^115679587 is an apocalyptic number.

115679587 is a deficient number, since it is larger than the sum of its proper divisors (1726629).

115679587 is an equidigital number, since it uses as much as digits as its factorization.

115679587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726628.

The product of its digits is 529200, while the sum is 49.

The square root of 115679587 is about 10755.4445282378. Note that the first 3 decimals coincide. The cubic root of 115679587 is about 487.2504435620.

The spelling of 115679587 in words is "one hundred fifteen million, six hundred seventy-nine thousand, five hundred eighty-seven".