688675683 has 16 divisors (see below), whose sum is σ = 959809536. Its totient is φ = 438398400.

The previous prime is 688675679. The next prime is 688675703. The reversal of 688675683 is 386576886.

It is a happy number.

It is not a de Polignac number, because 688675683 - 2² = 688675679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (688675583) 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, 33166 + ... + 49772.

It is an arithmetic number, because the mean of its divisors is an integer number (59988096).

Almost surely, 2^688675683 is an apocalyptic number.

688675683 is a deficient number, since it is larger than the sum of its proper divisors (271133853).

688675683 is a wasteful number, since it uses less digits than its factorization.

688675683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17234.

The product of its digits is 11612160, while the sum is 57.

The square root of 688675683 is about 26242.6310228224. The cubic root of 688675683 is about 883.0898967800.

The spelling of 688675683 in words is "six hundred eighty-eight million, six hundred seventy-five thousand, six hundred eighty-three".