796566665677 has 2 divisors, whose sum is σ = 796566665678. Its totient is φ = 796566665676.

The previous prime is 796566665659. The next prime is 796566665717. The reversal of 796566665677 is 776566665697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506895585156 + 289671080521 = 711966^2 + 538211^2 .

It is a cyclic number.

It is not a de Polignac number, because 796566665677 - 2⁷ = 796566665549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (796566665077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398283332838 + 398283332839.

It is an arithmetic number, because the mean of its divisors is an integer number (398283332839).

Almost surely, 2^796566665677 is an apocalyptic number.

It is an amenable number.

796566665677 is a deficient number, since it is larger than the sum of its proper divisors (1).

796566665677 is an equidigital number, since it uses as much as digits as its factorization.

796566665677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600676800, while the sum is 76.

The spelling of 796566665677 in words is "seven hundred ninety-six billion, five hundred sixty-six million, six hundred sixty-five thousand, six hundred seventy-seven".