87871275 has 18 divisors (see below), whose sum is σ = 157387620. Its totient is φ = 46864560.

The previous prime is 87871261. The next prime is 87871309. The reversal of 87871275 is 57217878.

It is not a de Polignac number, because 87871275 - 2⁵ = 87871243 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87871275.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 195045 + ... + 195494.

Almost surely, 2^87871275 is an apocalyptic number.

87871275 is a deficient number, since it is larger than the sum of its proper divisors (69516345).

87871275 is a wasteful number, since it uses less digits than its factorization.

87871275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390555 (or 390547 counting only the distinct ones).

The product of its digits is 219520, while the sum is 45.

The square root of 87871275 is about 9373.9679431925. The cubic root of 87871275 is about 444.5790320985.

The spelling of 87871275 in words is "eighty-seven million, eight hundred seventy-one thousand, two hundred seventy-five".