679944205 has 16 divisors (see below), whose sum is σ = 838252800. Its totient is φ = 529152640.

The previous prime is 679944197. The next prime is 679944229. The reversal of 679944205 is 502449976.

It is not a de Polignac number, because 679944205 - 2³ = 679944197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68976 + ... + 78214.

It is an arithmetic number, because the mean of its divisors is an integer number (52390800).

Almost surely, 2^679944205 is an apocalyptic number.

It is an amenable number.

679944205 is a deficient number, since it is larger than the sum of its proper divisors (158308595).

679944205 is a wasteful number, since it uses less digits than its factorization.

679944205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 679944205 is about 26075.7397785758. The cubic root of 679944205 is about 879.3418826844.

The spelling of 679944205 in words is "six hundred seventy-nine million, nine hundred forty-four thousand, two hundred five".