680053814 has 16 divisors (see below), whose sum is σ = 1171385280. Its totient is φ = 292845960.

The previous prime is 680053807. The next prime is 680053841. The reversal of 680053814 is 418350086.

It is a Curzon number.

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, 813044 + ... + 813879.

It is an arithmetic number, because the mean of its divisors is an integer number (73211580).

Almost surely, 2^680053814 is an apocalyptic number.

680053814 is a deficient number, since it is larger than the sum of its proper divisors (491331466).

680053814 is a wasteful number, since it uses less digits than its factorization.

680053814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626955.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 680053814 is about 26077.8414367447. The cubic root of 680053814 is about 879.3891309758.

The spelling of 680053814 in words is "six hundred eighty million, fifty-three thousand, eight hundred fourteen".