680266504 has 8 divisors (see below), whose sum is σ = 1275499710. Its totient is φ = 340133248.

The previous prime is 680266463. The next prime is 680266507. The reversal of 680266504 is 405662086.

It can be written as a sum of positive squares in only one way, i.e., 538704100 + 141562404 = 23210^2 + 11898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (680266507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42516649 + ... + 42516664.

Almost surely, 2^680266504 is an apocalyptic number.

It is an amenable number.

680266504 is a deficient number, since it is larger than the sum of its proper divisors (595233206).

680266504 is a wasteful number, since it uses less digits than its factorization.

680266504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85033319 (or 85033315 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 680266504 is about 26081.9191011705. The cubic root of 680266504 is about 879.4807991031.

The spelling of 680266504 in words is "six hundred eighty million, two hundred sixty-six thousand, five hundred four".