972766900028028 has 48 divisors (see below), whose sum is σ = 2730573754469120. Its totient is φ = 263305326322944.

The previous prime is 972766900028003. The next prime is 972766900028083. The reversal of 972766900028028 is 820820009667279.

It is a self number, because there is not a number n which added to its sum of digits gives 972766900028028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304751533501 + ... + 304751536692.

Almost surely, 2^{972766900028028} is an apocalyptic number.

It is an amenable number.

972766900028028 is an abundant number, since it is smaller than the sum of its proper divisors (1757806854441092).

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

972766900028028 is a wasteful number, since it uses less digits than its factorization.

972766900028028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609503070226 (or 609503070224 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 972766900028028 in words is "nine hundred seventy-two trillion, seven hundred sixty-six billion, nine hundred million, twenty-eight thousand, twenty-eight".