679916159 has 8 divisors (see below), whose sum is σ = 770755440. Its totient is φ = 594582336.

The previous prime is 679916119. The next prime is 679916191. The reversal of 679916159 is 951619976.

It is a happy number.

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-679916159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679916159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679916119) 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, 1376102 + ... + 1376595.

It is an arithmetic number, because the mean of its divisors is an integer number (96344430).

Almost surely, 2^679916159 is an apocalyptic number.

679916159 is a deficient number, since it is larger than the sum of its proper divisors (90839281).

679916159 is a wasteful number, since it uses less digits than its factorization.

679916159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752729.

The product of its digits is 918540, while the sum is 53.

The square root of 679916159 is about 26075.2019934650. The cubic root of 679916159 is about 879.3297922995.

The spelling of 679916159 in words is "six hundred seventy-nine million, nine hundred sixteen thousand, one hundred fifty-nine".