972923311767 has 48 divisors (see below), whose sum is σ = 1501214964480. Its totient is φ = 558509656320.

The previous prime is 972923311751. The next prime is 972923311769. The reversal of 972923311767 is 767113329279.

It is not a de Polignac number, because 972923311767 - 2⁴ = 972923311751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972923311769) 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 47 ways as a sum of consecutive naturals, for example, 49145023 + ... + 49164815.

It is an arithmetic number, because the mean of its divisors is an integer number (31275311760).

Almost surely, 2^972923311767 is an apocalyptic number.

972923311767 is a deficient number, since it is larger than the sum of its proper divisors (528291652713).

972923311767 is a wasteful number, since it uses less digits than its factorization.

972923311767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26964 (or 26953 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 57.

The spelling of 972923311767 in words is "nine hundred seventy-two billion, nine hundred twenty-three million, three hundred eleven thousand, seven hundred sixty-seven".