972392418556 has 24 divisors (see below), whose sum is σ = 1832869633280. Its totient is φ = 448726969152.

The previous prime is 972392418511. The next prime is 972392418577. The reversal of 972392418556 is 655814293279.

It is a junction number, because it is equal to n+sod(n) for n = 972392418494 and 972392418503.

It is a congruent number.

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, 1108956 + ... + 1781731.

Almost surely, 2^972392418556 is an apocalyptic number.

It is an amenable number.

972392418556 is a deficient number, since it is larger than the sum of its proper divisors (860477214724).

972392418556 is a wasteful number, since it uses less digits than its factorization.

972392418556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897173 (or 2897171 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 61.

The spelling of 972392418556 in words is "nine hundred seventy-two billion, three hundred ninety-two million, four hundred eighteen thousand, five hundred fifty-six".