76972644327967 has 2 divisors, whose sum is σ = 76972644327968. Its totient is φ = 76972644327966.

The previous prime is 76972644327961. The next prime is 76972644327973. The reversal of 76972644327967 is 76972344627967.

It is a balanced prime because it is at equal distance from previous prime (76972644327961) and next prime (76972644327973).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76972644327967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76972644327961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38486322163983 + 38486322163984.

It is an arithmetic number, because the mean of its divisors is an integer number (38486322163984).

Almost surely, 2^{76972644327967} is an apocalyptic number.

76972644327967 is a deficient number, since it is larger than the sum of its proper divisors (1).

76972644327967 is an equidigital number, since it uses as much as digits as its factorization.

76972644327967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8065516032, while the sum is 79.

The spelling of 76972644327967 in words is "seventy-six trillion, nine hundred seventy-two billion, six hundred forty-four million, three hundred twenty-seven thousand, nine hundred sixty-seven".