688160339 has 2 divisors, whose sum is σ = 688160340. Its totient is φ = 688160338.

The previous prime is 688160287. The next prime is 688160353. The reversal of 688160339 is 933061886.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-688160339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 688160339.

It is not a weakly prime, because it can be changed into another prime (688163339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344080169 + 344080170.

It is an arithmetic number, because the mean of its divisors is an integer number (344080170).

Almost surely, 2^688160339 is an apocalyptic number.

688160339 is a deficient number, since it is larger than the sum of its proper divisors (1).

688160339 is an equidigital number, since it uses as much as digits as its factorization.

688160339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 688160339 is about 26232.8103526862. The cubic root of 688160339 is about 882.8695663420.

The spelling of 688160339 in words is "six hundred eighty-eight million, one hundred sixty thousand, three hundred thirty-nine".