679966863 has 16 divisors (see below), whose sum is σ = 913575936. Its totient is φ = 449845920.

The previous prime is 679966831. The next prime is 679966873. The reversal of 679966863 is 368669976.

679966863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 679966863 - 2⁵ = 679966831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679966797 and 679966806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679966823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328570 + ... + 330632.

It is an arithmetic number, because the mean of its divisors is an integer number (57098496).

Almost surely, 2^679966863 is an apocalyptic number.

679966863 is a deficient number, since it is larger than the sum of its proper divisors (233609073).

679966863 is a wasteful number, since it uses less digits than its factorization.

679966863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its digits is 17635968, while the sum is 60.

The square root of 679966863 is about 26076.1742400989. The cubic root of 679966863 is about 879.3516501070.

The spelling of 679966863 in words is "six hundred seventy-nine million, nine hundred sixty-six thousand, eight hundred sixty-three".