972815892180 has 48 divisors (see below), whose sum is σ = 2971510363584. Its totient is φ = 235834155520.

The previous prime is 972815892179. The next prime is 972815892187. The reversal of 972815892180 is 81298518279.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972815892187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736981077 + ... + 736982396.

It is an arithmetic number, because the mean of its divisors is an integer number (61906465908).

Almost surely, 2^972815892180 is an apocalyptic number.

It is an amenable number.

972815892180 is an abundant number, since it is smaller than the sum of its proper divisors (1998694471404).

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

972815892180 is a wasteful number, since it uses less digits than its factorization.

972815892180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473963496 (or 1473963494 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 60.

The spelling of 972815892180 in words is "nine hundred seventy-two billion, eight hundred fifteen million, eight hundred ninety-two thousand, one hundred eighty".