769879261097 has 2 divisors, whose sum is σ = 769879261098. Its totient is φ = 769879261096.

The previous prime is 769879261093. The next prime is 769879261133. The reversal of 769879261097 is 790162978967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763367416681 + 6511844416 = 873709^2 + 80696^2 .

It is a cyclic number.

It is not a de Polignac number, because 769879261097 - 2² = 769879261093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 769879261097.

It is not a weakly prime, because it can be changed into another prime (769879261093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384939630548 + 384939630549.

It is an arithmetic number, because the mean of its divisors is an integer number (384939630549).

Almost surely, 2^769879261097 is an apocalyptic number.

It is an amenable number.

769879261097 is a deficient number, since it is larger than the sum of its proper divisors (1).

769879261097 is an equidigital number, since it uses as much as digits as its factorization.

769879261097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144027072, while the sum is 71.

The spelling of 769879261097 in words is "seven hundred sixty-nine billion, eight hundred seventy-nine million, two hundred sixty-one thousand, ninety-seven".