972556866388 has 12 divisors (see below), whose sum is σ = 1702646985312. Its totient is φ = 486086299160.

The previous prime is 972556866341. The next prime is 972556866397. The reversal of 972556866388 is 883668655279.

It is a self number, because there is not a number n which added to its sum of digits gives 972556866388.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48022120 + ... + 48042367.

It is an arithmetic number, because the mean of its divisors is an integer number (141887248776).

Almost surely, 2^972556866388 is an apocalyptic number.

It is an amenable number.

972556866388 is a deficient number, since it is larger than the sum of its proper divisors (730090118924).

972556866388 is a wasteful number, since it uses less digits than its factorization.

972556866388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96067022 (or 96067020 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 73.

The spelling of 972556866388 in words is "nine hundred seventy-two billion, five hundred fifty-six million, eight hundred sixty-six thousand, three hundred eighty-eight".