87685875 has 32 divisors (see below), whose sum is σ = 162127680. Its totient is φ = 46764000.

The previous prime is 87685837. The next prime is 87685907. The reversal of 87685875 is 57858678.

It is a happy number.

It is not a de Polignac number, because 87685875 - 2⁷ = 87685747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9616 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (5066490).

Almost surely, 2^87685875 is an apocalyptic number.

87685875 is a deficient number, since it is larger than the sum of its proper divisors (74441805).

87685875 is a wasteful number, since it uses less digits than its factorization.

87685875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26005 (or 25989 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The square root of 87685875 is about 9364.0736327733. The cubic root of 87685875 is about 444.2661388344.

The spelling of 87685875 in words is "eighty-seven million, six hundred eighty-five thousand, eight hundred seventy-five".