779930789 has 12 divisors (see below), whose sum is σ = 857996832. Its totient is φ = 708434760.

The previous prime is 779930783. The next prime is 779930803. The reversal of 779930789 is 987039977.

It is not a de Polignac number, because 779930789 - 2¹⁶ = 779865253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779930783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214424 + ... + 218030.

It is an arithmetic number, because the mean of its divisors is an integer number (71499736).

Almost surely, 2^779930789 is an apocalyptic number.

It is an amenable number.

779930789 is a deficient number, since it is larger than the sum of its proper divisors (78066043).

779930789 is a wasteful number, since it uses less digits than its factorization.

779930789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 6001128, while the sum is 59.

The square root of 779930789 is about 27927.2409843866. The cubic root of 779930789 is about 920.4891810099.

The spelling of 779930789 in words is "seven hundred seventy-nine million, nine hundred thirty thousand, seven hundred eighty-nine".