679844039 has 8 divisors (see below), whose sum is σ = 778454400. Its totient is φ = 581606136.

The previous prime is 679844027. The next prime is 679844041. The reversal of 679844039 is 930448976.

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

It is a cyclic number.

It is not a de Polignac number, because 679844039 - 2⁴ = 679844023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679844089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89189 + ... + 96510.

It is an arithmetic number, because the mean of its divisors is an integer number (97306800).

Almost surely, 2^679844039 is an apocalyptic number.

679844039 is a deficient number, since it is larger than the sum of its proper divisors (98610361).

679844039 is a wasteful number, since it uses less digits than its factorization.

679844039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186229.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 679844039 is about 26073.8190336590. The cubic root of 679844039 is about 879.2987004724.

The spelling of 679844039 in words is "six hundred seventy-nine million, eight hundred forty-four thousand, thirty-nine".