680068763 has 36 divisors (see below), whose sum is σ = 797926584. Its totient is φ = 578793600.

The previous prime is 680068757. The next prime is 680068771. The reversal of 680068763 is 367860086.

It is not a de Polignac number, because 680068763 - 2⁴ = 680068747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680068723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4172120 + ... + 4172282.

Almost surely, 2^680068763 is an apocalyptic number.

680068763 is a deficient number, since it is larger than the sum of its proper divisors (117857821).

680068763 is a wasteful number, since it uses less digits than its factorization.

680068763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 680068763 is about 26078.1280578189. The cubic root of 680068763 is about 879.3955745305.

The spelling of 680068763 in words is "six hundred eighty million, sixty-eight thousand, seven hundred sixty-three".