679865902 has 8 divisors (see below), whose sum is σ = 1021416912. Its totient is φ = 339393600.

The previous prime is 679865839. The next prime is 679865903. The reversal of 679865902 is 209568976.

It is a happy number.

679865902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 679865902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679865903) 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, 268099 + ... + 270622.

It is an arithmetic number, because the mean of its divisors is an integer number (127677114).

Almost surely, 2^679865902 is an apocalyptic number.

679865902 is a deficient number, since it is larger than the sum of its proper divisors (341551010).

679865902 is a wasteful number, since it uses less digits than its factorization.

679865902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539354.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 679865902 is about 26074.2382822586. The cubic root of 679865902 is about 879.3081261153.

The spelling of 679865902 in words is "six hundred seventy-nine million, eight hundred sixty-five thousand, nine hundred two".