779030770643 has 2 divisors, whose sum is σ = 779030770644. Its totient is φ = 779030770642.

The previous prime is 779030770619. The next prime is 779030770669. The reversal of 779030770643 is 346077030977.

It is a weak prime.

It is an emirp because it is prime and its reverse (346077030977) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 779030770643 - 2⁸ = 779030770387 is a prime.

It is not a weakly prime, because it can be changed into another prime (779030740643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389515385321 + 389515385322.

It is an arithmetic number, because the mean of its divisors is an integer number (389515385322).

Almost surely, 2^779030770643 is an apocalyptic number.

779030770643 is a deficient number, since it is larger than the sum of its proper divisors (1).

779030770643 is an equidigital number, since it uses as much as digits as its factorization.

779030770643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4667544, while the sum is 53.

The spelling of 779030770643 in words is "seven hundred seventy-nine billion, thirty million, seven hundred seventy thousand, six hundred forty-three".