680966080 has 112 divisors (see below), whose sum is σ = 1743943680. Its totient is φ = 252453888.

The previous prime is 680966071. The next prime is 680966087. The reversal of 680966080 is 80669086.

It is a super-2 number, since 2×680966080² = 927429604221132800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680966087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284569 + ... + 286951.

Almost surely, 2^680966080 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 680966080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871971840).

680966080 is an abundant number, since it is smaller than the sum of its proper divisors (1062977600).

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

680966080 is a wasteful number, since it uses less digits than its factorization.

680966080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 680966080 is about 26095.3267846946. The cubic root of 680966080 is about 879.7821774928.

The spelling of 680966080 in words is "six hundred eighty million, nine hundred sixty-six thousand, eighty".