679843568 has 20 divisors (see below), whose sum is σ = 1374467088. Its totient is φ = 325142400.

The previous prime is 679843553. The next prime is 679843603. The reversal of 679843568 is 865348976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923333 + ... + 924068.

Almost surely, 2^679843568 is an apocalyptic number.

It is an amenable number.

679843568 is an abundant number, since it is smaller than the sum of its proper divisors (694623520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679843568 is a wasteful number, since it uses less digits than its factorization.

679843568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847432 (or 1847426 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 679843568 is about 26073.8100016089. The cubic root of 679843568 is about 879.2984974112.

The spelling of 679843568 in words is "six hundred seventy-nine million, eight hundred forty-three thousand, five hundred sixty-eight".