779328959 has 2 divisors, whose sum is σ = 779328960. Its totient is φ = 779328958.

The previous prime is 779328931. The next prime is 779328961. The reversal of 779328959 is 959823977.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 779328959 - 2⁸ = 779328703 is a prime.

Together with 779328961, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 779328898 and 779328907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779328929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389664479 + 389664480.

It is an arithmetic number, because the mean of its divisors is an integer number (389664480).

Almost surely, 2^779328959 is an apocalyptic number.

779328959 is a deficient number, since it is larger than the sum of its proper divisors (1).

779328959 is an equidigital number, since it uses as much as digits as its factorization.

779328959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 59.

The square root of 779328959 is about 27916.4639415525. The cubic root of 779328959 is about 920.2523563393.

The spelling of 779328959 in words is "seven hundred seventy-nine million, three hundred twenty-eight thousand, nine hundred fifty-nine".