76976866943 has 2 divisors, whose sum is σ = 76976866944. Its totient is φ = 76976866942.

The previous prime is 76976866937. The next prime is 76976866957. The reversal of 76976866943 is 34966867967.

It is a weak prime.

It is an emirp because it is prime and its reverse (34966867967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76976866943 - 2²⁴ = 76960089727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76976866543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38488433471 + 38488433472.

It is an arithmetic number, because the mean of its divisors is an integer number (38488433472).

Almost surely, 2^76976866943 is an apocalyptic number.

76976866943 is a deficient number, since it is larger than the sum of its proper divisors (1).

76976866943 is an equidigital number, since it uses as much as digits as its factorization.

76976866943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493807104, while the sum is 71.

The spelling of 76976866943 in words is "seventy-six billion, nine hundred seventy-six million, eight hundred sixty-six thousand, nine hundred forty-three".