679679804 has 12 divisors (see below), whose sum is σ = 1190420784. Its totient is φ = 339559584.

The previous prime is 679679717. The next prime is 679679827. The reversal of 679679804 is 408976976.

It is a self number, because there is not a number n which added to its sum of digits gives 679679804.

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, 64577 + ... + 74360.

It is an arithmetic number, because the mean of its divisors is an integer number (99201732).

Almost surely, 2^679679804 is an apocalyptic number.

It is an amenable number.

679679804 is a deficient number, since it is larger than the sum of its proper divisors (510740980).

679679804 is a wasteful number, since it uses less digits than its factorization.

679679804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140164 (or 140162 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 679679804 is about 26070.6694198672. The cubic root of 679679804 is about 879.2278885193.

The spelling of 679679804 in words is "six hundred seventy-nine million, six hundred seventy-nine thousand, eight hundred four".