779017388959 has 2 divisors, whose sum is σ = 779017388960. Its totient is φ = 779017388958.

The previous prime is 779017388951. The next prime is 779017388977. The reversal of 779017388959 is 959883710977.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 779017388959 - 2³ = 779017388951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 779017388891 and 779017388900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779017388951) 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, 389508694479 + 389508694480.

It is an arithmetic number, because the mean of its divisors is an integer number (389508694480).

Almost surely, 2^779017388959 is an apocalyptic number.

779017388959 is a deficient number, since it is larger than the sum of its proper divisors (1).

779017388959 is an equidigital number, since it uses as much as digits as its factorization.

779017388959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240045120, while the sum is 73.

The spelling of 779017388959 in words is "seven hundred seventy-nine billion, seventeen million, three hundred eighty-eight thousand, nine hundred fifty-nine".