679843982 has 16 divisors (see below), whose sum is σ = 1070267040. Its totient is φ = 323259552.

The previous prime is 679843951. The next prime is 679843993. The reversal of 679843982 is 289348976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34757 + ... + 50672.

It is an arithmetic number, because the mean of its divisors is an integer number (66891690).

Almost surely, 2^679843982 is an apocalyptic number.

679843982 is a deficient number, since it is larger than the sum of its proper divisors (390423058).

679843982 is a wasteful number, since it uses less digits than its factorization.

679843982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85627.

The product of its digits is 5225472, while the sum is 56.

The square root of 679843982 is about 26073.8179406085. The cubic root of 679843982 is about 879.2986758981.

The spelling of 679843982 in words is "six hundred seventy-nine million, eight hundred forty-three thousand, nine hundred eighty-two".