87836972674 has 24 divisors (see below), whose sum is σ = 146150803260. Its totient is φ = 39559592160.

The previous prime is 87836972651. The next prime is 87836972681. The reversal of 87836972674 is 47627963878.

It can be written as a sum of positive squares in 2 ways, for example, as 83459165449 + 4377807225 = 288893^2 + 66165^2 .

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, 1638589 + ... + 1691344.

Almost surely, 2^87836972674 is an apocalyptic number.

87836972674 is a deficient number, since it is larger than the sum of its proper divisors (58313830586).

87836972674 is a wasteful number, since it uses less digits than its factorization.

87836972674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330066 (or 3330055 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 67.

The spelling of 87836972674 in words is "eighty-seven billion, eight hundred thirty-six million, nine hundred seventy-two thousand, six hundred seventy-four".