680688333 has 16 divisors (see below), whose sum is σ = 1085999040. Its totient is φ = 418884912.

The previous prime is 680688331. The next prime is 680688343. The reversal of 680688333 is 333886086.

It is a happy number.

680688333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680688333 - 2¹ = 680688331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680688331) 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, 969291 + ... + 969992.

It is an arithmetic number, because the mean of its divisors is an integer number (67874940).

Almost surely, 2^680688333 is an apocalyptic number.

It is an amenable number.

680688333 is a deficient number, since it is larger than the sum of its proper divisors (405310707).

680688333 is a wasteful number, since it uses less digits than its factorization.

680688333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939305 (or 1939299 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 680688333 is about 26090.0044653120. The cubic root of 680688333 is about 879.6625483868.

The spelling of 680688333 in words is "six hundred eighty million, six hundred eighty-eight thousand, three hundred thirty-three".