679459568 has 20 divisors (see below), whose sum is σ = 1321355160. Its totient is φ = 338464704.

The previous prime is 679459567. The next prime is 679459631. The reversal of 679459568 is 865954976.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679459567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74630 + ... + 83237.

It is an arithmetic number, because the mean of its divisors is an integer number (66067758).

Almost surely, 2^679459568 is an apocalyptic number.

It is an amenable number.

679459568 is a deficient number, since it is larger than the sum of its proper divisors (641895592).

679459568 is a wasteful number, since it uses less digits than its factorization.

679459568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158144 (or 158138 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The square root of 679459568 is about 26066.4452505515. The cubic root of 679459568 is about 879.1329131350.

The spelling of 679459568 in words is "six hundred seventy-nine million, four hundred fifty-nine thousand, five hundred sixty-eight".