680563930576 has 80 divisors (see below), whose sum is σ = 1428440002560. Its totient is φ = 313143649280.

The previous prime is 680563930559. The next prime is 680563930591. The reversal of 680563930576 is 675039365086.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 680563930576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2885361 + ... + 3112303.

It is an arithmetic number, because the mean of its divisors is an integer number (17855500032).

Almost surely, 2^680563930576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680563930576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714220001280).

680563930576 is an abundant number, since it is smaller than the sum of its proper divisors (747876071984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680563930576 is a wasteful number, since it uses less digits than its factorization.

680563930576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227284 (or 227278 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 680563930576 in words is "six hundred eighty billion, five hundred sixty-three million, nine hundred thirty thousand, five hundred seventy-six".