680775626 has 16 divisors (see below), whose sum is σ = 1032612864. Its totient is φ = 336589344.

The previous prime is 680775611. The next prime is 680775631. The reversal of 680775626 is 626577086.

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, 75221 + ... + 83783.

It is an arithmetic number, because the mean of its divisors is an integer number (64538304).

Almost surely, 2^680775626 is an apocalyptic number.

680775626 is a deficient number, since it is larger than the sum of its proper divisors (351837238).

680775626 is a wasteful number, since it uses less digits than its factorization.

680775626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 680775626 is about 26091.6773320536. The cubic root of 680775626 is about 879.7001500795.

The spelling of 680775626 in words is "six hundred eighty million, seven hundred seventy-five thousand, six hundred twenty-six".