972781879696 has 80 divisors (see below), whose sum is σ = 2081907517248. Its totient is φ = 436659724800.

The previous prime is 972781879679. The next prime is 972781879723. The reversal of 972781879696 is 696978187279.

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 15 ways as a sum of consecutive naturals, for example, 4396026 + ... + 4612006.

Almost surely, 2^972781879696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972781879696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040953758624).

972781879696 is an abundant number, since it is smaller than the sum of its proper divisors (1109125637552).

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

972781879696 is a wasteful number, since it uses less digits than its factorization.

972781879696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216320 (or 216314 counting only the distinct ones).

The product of its digits is 1152216576, while the sum is 79.

The spelling of 972781879696 in words is "nine hundred seventy-two billion, seven hundred eighty-one million, eight hundred seventy-nine thousand, six hundred ninety-six".