87668075 has 12 divisors (see below), whose sum is σ = 118591368. Its totient is φ = 63758400.

The previous prime is 87668069. The next prime is 87668089. The reversal of 87668075 is 57086678.

It is not a de Polignac number, because 87668075 - 2⁶ = 87668011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159122 + ... + 159671.

It is an arithmetic number, because the mean of its divisors is an integer number (9882614).

Almost surely, 2^87668075 is an apocalyptic number.

87668075 is a deficient number, since it is larger than the sum of its proper divisors (30923293).

87668075 is a wasteful number, since it uses less digits than its factorization.

87668075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318814 (or 318809 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 87668075 is about 9363.1231434816. The cubic root of 87668075 is about 444.2360751841.

The spelling of 87668075 in words is "eighty-seven million, six hundred sixty-eight thousand, seventy-five".