87182533864 has 16 divisors (see below), whose sum is σ = 163568618820. Its totient is φ = 43564235520.

The previous prime is 87182533853. The next prime is 87182533939. The reversal of 87182533864 is 46833528178.

It can be written as a sum of positive squares in 2 ways, for example, as 82278332964 + 4904200900 = 286842^2 + 70030^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365217 + ... + 3391024.

Almost surely, 2^87182533864 is an apocalyptic number.

It is an amenable number.

87182533864 is a deficient number, since it is larger than the sum of its proper divisors (76386084956).

87182533864 is a wasteful number, since it uses less digits than its factorization.

87182533864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757860 (or 6757856 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 87182533864 in words is "eighty-seven billion, one hundred eighty-two million, five hundred thirty-three thousand, eight hundred sixty-four".