680966079 has 8 divisors (see below), whose sum is σ = 911920560. Its totient is φ = 451994496.

The previous prime is 680966071. The next prime is 680966087. The reversal of 680966079 is 970669086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (680966071) and next prime (680966087).

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

It is not a de Polignac number, because 680966079 - 2³ = 680966071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680966071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494922 + ... + 496295.

It is an arithmetic number, because the mean of its divisors is an integer number (113990070).

Almost surely, 2^680966079 is an apocalyptic number.

680966079 is a deficient number, since it is larger than the sum of its proper divisors (230954481).

680966079 is a wasteful number, since it uses less digits than its factorization.

680966079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991449.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 680966079 is about 26095.3267655341. The cubic root of 680966079 is about 879.7821770621.

The spelling of 680966079 in words is "six hundred eighty million, nine hundred sixty-six thousand, seventy-nine".