680764365 has 32 divisors (see below), whose sum is σ = 1215728640. Its totient is φ = 361430208.

The previous prime is 680764339. The next prime is 680764367. The reversal of 680764365 is 563467086.

680764365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680764365 - 2⁷ = 680764237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 680764365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680764367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18799 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (37991520).

Almost surely, 2^680764365 is an apocalyptic number.

It is an amenable number.

680764365 is a deficient number, since it is larger than the sum of its proper divisors (534964275).

680764365 is a wasteful number, since it uses less digits than its factorization.

680764365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22850 (or 22844 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 680764365 is about 26091.4615343794. The cubic root of 680764365 is about 879.6952995543.

The spelling of 680764365 in words is "six hundred eighty million, seven hundred sixty-four thousand, three hundred sixty-five".