87076665 has 48 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 41943168.

The previous prime is 87076657. The next prime is 87076673. The reversal of 87076665 is 56667078.

It is an interprime number because it is at equal distance from previous prime (87076657) and next prime (87076673).

It is not a de Polignac number, because 87076665 - 2³ = 87076657 is a prime.

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 87076665.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25912 + ... + 29078.

It is an arithmetic number, because the mean of its divisors is an integer number (3459456).

Almost surely, 2^87076665 is an apocalyptic number.

It is an amenable number.

87076665 is a deficient number, since it is larger than the sum of its proper divisors (78977223).

87076665 is a wasteful number, since it uses less digits than its factorization.

87076665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 87076665 is about 9331.4878234931. The cubic root of 87076665 is about 443.2348796142.

The spelling of 87076665 in words is "eighty-seven million, seventy-six thousand, six hundred sixty-five".