87667075 has 12 divisors (see below), whose sum is σ = 108861088. Its totient is φ = 70034400.

The previous prime is 87667057. The next prime is 87667081. The reversal of 87667075 is 57076678.

It is not a de Polignac number, because 87667075 - 2⁷ = 87666947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19270 + ... + 23380.

Almost surely, 2^87667075 is an apocalyptic number.

87667075 is a deficient number, since it is larger than the sum of its proper divisors (21194013).

87667075 is a wasteful number, since it uses less digits than its factorization.

87667075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 87667075 is about 9363.0697423441. The cubic root of 87667075 is about 444.2343860943.

The spelling of 87667075 in words is "eighty-seven million, six hundred sixty-seven thousand, seventy-five".