972658856279 has 4 divisors (see below), whose sum is σ = 1061082388680. Its totient is φ = 884235323880.

The previous prime is 972658856231. The next prime is 972658856303.

972658856279 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 972658856279 - 2²⁴ = 972642079063 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 (972658856209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44211766184 + ... + 44211766205.

It is an arithmetic number, because the mean of its divisors is an integer number (265270597170).

Almost surely, 2^972658856279 is an apocalyptic number.

972658856279 is a deficient number, since it is larger than the sum of its proper divisors (88423532401).

972658856279 is a wasteful number, since it uses less digits than its factorization.

972658856279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88423532400.

The product of its digits is 914457600, while the sum is 74.

The spelling of 972658856279 in words is "nine hundred seventy-two billion, six hundred fifty-eight million, eight hundred fifty-six thousand, two hundred seventy-nine".