679877976959 has 8 divisors (see below), whose sum is σ = 704031784320. Its totient is φ = 655771485600.

The previous prime is 679877976917. The next prime is 679877977021. The reversal of 679877976959 is 959679778976.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679877976959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679877976359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11799752 + ... + 11857229.

It is an arithmetic number, because the mean of its divisors is an integer number (88003973040).

Almost surely, 2^679877976959 is an apocalyptic number.

679877976959 is a deficient number, since it is larger than the sum of its proper divisors (24153807361).

679877976959 is a wasteful number, since it uses less digits than its factorization.

679877976959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23658001.

The product of its digits is 22684263840, while the sum is 89.

The spelling of 679877976959 in words is "six hundred seventy-nine billion, eight hundred seventy-seven million, nine hundred seventy-six thousand, nine hundred fifty-nine".