972055026731 has 2 divisors, whose sum is σ = 972055026732. Its totient is φ = 972055026730.

The previous prime is 972055026647. The next prime is 972055026751. The reversal of 972055026731 is 137620550279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972055026731 - 2¹⁰ = 972055025707 is a prime.

It is a super-2 number, since 2×972055026731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (972055026751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486027513365 + 486027513366.

It is an arithmetic number, because the mean of its divisors is an integer number (486027513366).

Almost surely, 2^972055026731 is an apocalyptic number.

972055026731 is a deficient number, since it is larger than the sum of its proper divisors (1).

972055026731 is an equidigital number, since it uses as much as digits as its factorization.

972055026731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 972055026731 in words is "nine hundred seventy-two billion, fifty-five million, twenty-six thousand, seven hundred thirty-one".