680908492 has 12 divisors (see below), whose sum is σ = 1299916296. Its totient is φ = 309503840.

The previous prime is 680908477. The next prime is 680908493. The reversal of 680908492 is 294809086.

680908492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (680908493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7737553 + ... + 7737640.

It is an arithmetic number, because the mean of its divisors is an integer number (108326358).

Almost surely, 2^680908492 is an apocalyptic number.

It is an amenable number.

680908492 is a deficient number, since it is larger than the sum of its proper divisors (619007804).

680908492 is a wasteful number, since it uses less digits than its factorization.

680908492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15475208 (or 15475206 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 680908492 is about 26094.2233454073. The cubic root of 680908492 is about 879.7573762945.

The spelling of 680908492 in words is "six hundred eighty million, nine hundred eight thousand, four hundred ninety-two".