87311875 has 30 divisors (see below), whose sum is σ = 126962484. Its totient is φ = 59850000.

The previous prime is 87311867. The next prime is 87311899. The reversal of 87311875 is 57811378.

It is a happy number.

It is not a de Polignac number, because 87311875 - 2³ = 87311867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 29200 + ... + 32050.

Almost surely, 2^87311875 is an apocalyptic number.

87311875 is a deficient number, since it is larger than the sum of its proper divisors (39650609).

87311875 is an equidigital number, since it uses as much as digits as its factorization.

87311875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885 (or 2863 counting only the distinct ones).

The product of its digits is 47040, while the sum is 40.

The square root of 87311875 is about 9344.0823519487. The cubic root of 87311875 is about 443.6336069792.

The spelling of 87311875 in words is "eighty-seven million, three hundred eleven thousand, eight hundred seventy-five".