680079 has 8 divisors (see below), whose sum is σ = 938160. Its totient is φ = 437696.

The previous prime is 680077. The next prime is 680081. The reversal of 680079 is 970086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (680077) and next prime (680081).

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

It is a cyclic number.

It is not a de Polignac number, because 680079 - 2¹ = 680077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680077) 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, 3822 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (117270).

2⁶⁸⁰⁰⁷⁹ is an apocalyptic number.

680079 is a deficient number, since it is larger than the sum of its proper divisors (258081).

680079 is a wasteful number, since it uses less digits than its factorization.

680079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 680079 is about 824.6690245183. The cubic root of 680079 is about 87.9399986990.

The spelling of 680079 in words is "six hundred eighty thousand, seventy-nine".