779598625914397 has 2 divisors, whose sum is σ = 779598625914398. Its totient is φ = 779598625914396.

The previous prime is 779598625914359. The next prime is 779598625914401. The reversal of 779598625914397 is 793419526895977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509671667176281 + 269926958738116 = 22575909^2 + 16429454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-779598625914397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779598625915397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389799312957198 + 389799312957199.

It is an arithmetic number, because the mean of its divisors is an integer number (389799312957199).

Almost surely, 2^{779598625914397} is an apocalyptic number.

It is an amenable number.

779598625914397 is a deficient number, since it is larger than the sum of its proper divisors (1).

779598625914397 is an equidigital number, since it uses as much as digits as its factorization.

779598625914397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64812182400, while the sum is 91.

The spelling of 779598625914397 in words is "seven hundred seventy-nine trillion, five hundred ninety-eight billion, six hundred twenty-five million, nine hundred fourteen thousand, three hundred ninety-seven".