680428796 has 24 divisors (see below), whose sum is σ = 1234316160. Its totient is φ = 327859200.

The previous prime is 680428783. The next prime is 680428811. The reversal of 680428796 is 697824086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18500 + ... + 41268.

It is an arithmetic number, because the mean of its divisors is an integer number (51429840).

Almost surely, 2^680428796 is an apocalyptic number.

It is an amenable number.

680428796 is a deficient number, since it is larger than the sum of its proper divisors (553887364).

680428796 is a wasteful number, since it uses less digits than its factorization.

680428796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23045 (or 23043 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 680428796 is about 26085.0301130744. The cubic root of 680428796 is about 879.5507331402.

The spelling of 680428796 in words is "six hundred eighty million, four hundred twenty-eight thousand, seven hundred ninety-six".