87562832656 has 40 divisors (see below), whose sum is σ = 183125353880. Its totient is φ = 40320239616.

The previous prime is 87562832647. The next prime is 87562832683. The reversal of 87562832656 is 65623826578.

It can be written as a sum of positive squares in 4 ways, for example, as 3047040000 + 84515792656 = 55200^2 + 290716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87562832656.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396051 + ... + 576178.

It is an arithmetic number, because the mean of its divisors is an integer number (4578133847).

Almost surely, 2^87562832656 is an apocalyptic number.

It is an amenable number.

87562832656 is an abundant number, since it is smaller than the sum of its proper divisors (95562521224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87562832656 is a wasteful number, since it uses less digits than its factorization.

87562832656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972683 (or 972677 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 87562832656 in words is "eighty-seven billion, five hundred sixty-two million, eight hundred thirty-two thousand, six hundred fifty-six".