87612112964 has 18 divisors (see below), whose sum is σ = 157151959482. Its totient is φ = 42737612800.

The previous prime is 87612112961. The next prime is 87612113003. The reversal of 87612112964 is 46921121678.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2440360000 + 85171752964 = 49400^2 + 291842^2 .

It is not an unprimeable number, because it can be changed into a prime (87612112961) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6508157 + ... + 6521604.

Almost surely, 2^87612112964 is an apocalyptic number.

It is an amenable number.

87612112964 is a deficient number, since it is larger than the sum of its proper divisors (69539846518).

87612112964 is a wasteful number, since it uses less digits than its factorization.

87612112964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029847 (or 13029804 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The spelling of 87612112964 in words is "eighty-seven billion, six hundred twelve million, one hundred twelve thousand, nine hundred sixty-four".