768659979 has 16 divisors (see below), whose sum is σ = 1043929472. Its totient is φ = 502970688.

The previous prime is 768659921. The next prime is 768659989. The reversal of 768659979 is 979956867.

It is not a de Polignac number, because 768659979 - 2¹⁷ = 768528907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768659989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50127 + ... + 63639.

It is an arithmetic number, because the mean of its divisors is an integer number (65245592).

Almost surely, 2^768659979 is an apocalyptic number.

768659979 is a deficient number, since it is larger than the sum of its proper divisors (275269493).

768659979 is a wasteful number, since it uses less digits than its factorization.

768659979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13866.

The product of its digits is 51438240, while the sum is 66.

The square root of 768659979 is about 27724.7178344523. The cubic root of 768659979 is about 916.0336409370.

The spelling of 768659979 in words is "seven hundred sixty-eight million, six hundred fifty-nine thousand, nine hundred seventy-nine".