688160287 has 2 divisors, whose sum is σ = 688160288. Its totient is φ = 688160286.

The previous prime is 688160257. The next prime is 688160339. The reversal of 688160287 is 782061886.

688160287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 688160287 - 2⁷ = 688160159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688160237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344080143 + 344080144.

It is an arithmetic number, because the mean of its divisors is an integer number (344080144).

Almost surely, 2^688160287 is an apocalyptic number.

688160287 is a deficient number, since it is larger than the sum of its proper divisors (1).

688160287 is an equidigital number, since it uses as much as digits as its factorization.

688160287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 688160287 is about 26232.8093615610. The cubic root of 688160287 is about 882.8695441044.

The spelling of 688160287 in words is "six hundred eighty-eight million, one hundred sixty thousand, two hundred eighty-seven".