87574665 has 16 divisors (see below), whose sum is σ = 141696000. Its totient is φ = 46180992.

The previous prime is 87574657. The next prime is 87574673. The reversal of 87574665 is 56647578.

It is an interprime number because it is at equal distance from previous prime (87574657) and next prime (87574673).

It is not a de Polignac number, because 87574665 - 2³ = 87574657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31465 + ... + 34134.

It is an arithmetic number, because the mean of its divisors is an integer number (8856000).

Almost surely, 2^87574665 is an apocalyptic number.

It is an amenable number.

87574665 is a deficient number, since it is larger than the sum of its proper divisors (54121335).

87574665 is a wasteful number, since it uses less digits than its factorization.

87574665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65696.

The product of its digits is 1411200, while the sum is 48.

The square root of 87574665 is about 9358.1336280265. The cubic root of 87574665 is about 444.0782418319.

The spelling of 87574665 in words is "eighty-seven million, five hundred seventy-four thousand, six hundred sixty-five".