87885886 has 16 divisors (see below), whose sum is σ = 152273520. Its totient is φ = 37598080.

The previous prime is 87885871. The next prime is 87885923. The reversal of 87885886 is 68858878.

It is a self number, because there is not a number n which added to its sum of digits gives 87885886.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 117121 + ... + 117868.

It is an arithmetic number, because the mean of its divisors is an integer number (9517095).

Almost surely, 2^87885886 is an apocalyptic number.

87885886 is a deficient number, since it is larger than the sum of its proper divisors (64387634).

87885886 is a wasteful number, since it uses less digits than its factorization.

87885886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235019.

The product of its digits is 6881280, while the sum is 58.

The square root of 87885886 is about 9374.7472499263. The cubic root of 87885886 is about 444.6036718694.

The spelling of 87885886 in words is "eighty-seven million, eight hundred eighty-five thousand, eight hundred eighty-six".