680608773 has 24 divisors (see below), whose sum is σ = 1083354272. Its totient is φ = 409092768.

The previous prime is 680608771. The next prime is 680608777. The reversal of 680608773 is 377806086.

It is not a de Polignac number, because 680608773 - 2¹ = 680608771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680608771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62611 + ... + 72672.

Almost surely, 2^680608773 is an apocalyptic number.

It is an amenable number.

680608773 is a deficient number, since it is larger than the sum of its proper divisors (402745499).

680608773 is a wasteful number, since it uses less digits than its factorization.

680608773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135345 (or 135342 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 680608773 is about 26088.4796989016. The cubic root of 680608773 is about 879.6282749042.

The spelling of 680608773 in words is "six hundred eighty million, six hundred eight thousand, seven hundred seventy-three".