680799 has 16 divisors (see below), whose sum is σ = 1099008. Its totient is φ = 365952.

The previous prime is 680783. The next prime is 680803. The reversal of 680799 is 997086.

It is not a de Polignac number, because 680799 - 2⁴ = 680783 is a prime.

680799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680749) 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, 597 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (68688).

2⁶⁸⁰⁷⁹⁹ is an apocalyptic number.

680799 is a deficient number, since it is larger than the sum of its proper divisors (418209).

680799 is a wasteful number, since it uses less digits than its factorization.

680799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 680799 is about 825.1054478065. The cubic root of 680799 is about 87.9710217947.

The spelling of 680799 in words is "six hundred eighty thousand, seven hundred ninety-nine".