972077759 has 2 divisors, whose sum is σ = 972077760. Its totient is φ = 972077758.

The previous prime is 972077713. The next prime is 972077783. The reversal of 972077759 is 957770279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972077759 - 2²⁴ = 955300543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972077759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972071759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486038879 + 486038880.

It is an arithmetic number, because the mean of its divisors is an integer number (486038880).

Almost surely, 2^972077759 is an apocalyptic number.

972077759 is a deficient number, since it is larger than the sum of its proper divisors (1).

972077759 is an equidigital number, since it uses as much as digits as its factorization.

972077759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944810, while the sum is 53.

The square root of 972077759 is about 31178.1615718438. The cubic root of 972077759 is about 990.6045890423.

The spelling of 972077759 in words is "nine hundred seventy-two million, seventy-seven thousand, seven hundred fifty-nine".