76794600977 has 2 divisors, whose sum is σ = 76794600978. Its totient is φ = 76794600976.

The previous prime is 76794600959. The next prime is 76794600997. The reversal of 76794600977 is 77900649767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74611468801 + 2183132176 = 273151^2 + 46724^2 .

It is an emirp because it is prime and its reverse (77900649767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76794600977 - 2²⁴ = 76777823761 is a prime.

It is not a weakly prime, because it can be changed into another prime (76794600937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38397300488 + 38397300489.

It is an arithmetic number, because the mean of its divisors is an integer number (38397300489).

Almost surely, 2^76794600977 is an apocalyptic number.

It is an amenable number.

76794600977 is a deficient number, since it is larger than the sum of its proper divisors (1).

76794600977 is an equidigital number, since it uses as much as digits as its factorization.

76794600977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28005264, while the sum is 62.

The spelling of 76794600977 in words is "seventy-six billion, seven hundred ninety-four million, six hundred thousand, nine hundred seventy-seven".