972564479999 has 8 divisors (see below), whose sum is σ = 1111508305920. Its totient is φ = 833622164856.

The previous prime is 972564479993. The next prime is 972564480007. The reversal of 972564479999 is 999974465279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 972564479999 - 2⁴ = 972564479983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972564479993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998002 + ... + 2436624.

It is an arithmetic number, because the mean of its divisors is an integer number (138938538240).

Almost surely, 2^972564479999 is an apocalyptic number.

972564479999 is a deficient number, since it is larger than the sum of its proper divisors (138943825921).

972564479999 is a wasteful number, since it uses less digits than its factorization.

972564479999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755389.

The product of its digits is 2777664960, while the sum is 80.

The spelling of 972564479999 in words is "nine hundred seventy-two billion, five hundred sixty-four million, four hundred seventy-nine thousand, nine hundred ninety-nine".