680447706807 has 12 divisors (see below), whose sum is σ = 997240165880. Its totient is φ = 412392549360.

The previous prime is 680447706797. The next prime is 680447706833. The reversal of 680447706807 is 708607744086.

It is a happy number.

It is not a de Polignac number, because 680447706807 - 2²² = 680443512503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680447705807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 937255432 + ... + 937256157.

Almost surely, 2^680447706807 is an apocalyptic number.

680447706807 is a deficient number, since it is larger than the sum of its proper divisors (316792459073).

680447706807 is a wasteful number, since it uses less digits than its factorization.

680447706807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874511614 (or 1874511603 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 680447706807 in words is "six hundred eighty billion, four hundred forty-seven million, seven hundred six thousand, eight hundred seven".