680606824 has 16 divisors (see below), whose sum is σ = 1277417700. Its totient is φ = 339962112.

The previous prime is 680606741. The next prime is 680606827. The reversal of 680606824 is 428606086.

It can be written as a sum of positive squares in 2 ways, for example, as 644245924 + 36360900 = 25382^2 + 6030^2 .

It is not an unprimeable number, because it can be changed into a prime (680606827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34087 + ... + 50230.

Almost surely, 2^680606824 is an apocalyptic number.

It is an amenable number.

680606824 is a deficient number, since it is larger than the sum of its proper divisors (596810876).

680606824 is a wasteful number, since it uses less digits than its factorization.

680606824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85332 (or 85328 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 680606824 is about 26088.4423452225. The cubic root of 680606824 is about 879.6274352651.

The spelling of 680606824 in words is "six hundred eighty million, six hundred six thousand, eight hundred twenty-four".