793677121776397 has 2 divisors, whose sum is σ = 793677121776398. Its totient is φ = 793677121776396.

The previous prime is 793677121776389. The next prime is 793677121776421.

793677121776397 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646999202120041 + 146677919656356 = 25436179^2 + 12111066^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 793677121776397 - 2³ = 793677121776389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 793677121776397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (793677121779397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396838560888198 + 396838560888199.

It is an arithmetic number, because the mean of its divisors is an integer number (396838560888199).

Almost surely, 2^{793677121776397} is an apocalyptic number.

It is an amenable number.

793677121776397 is a deficient number, since it is larger than the sum of its proper divisors (1).

793677121776397 is an equidigital number, since it uses as much as digits as its factorization.

793677121776397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6175160712, while the sum is 82.

The spelling of 793677121776397 in words is "seven hundred ninety-three trillion, six hundred seventy-seven billion, one hundred twenty-one million, seven hundred seventy-six thousand, three hundred ninety-seven".