688625116159 has 2 divisors, whose sum is σ = 688625116160. Its totient is φ = 688625116158.

The previous prime is 688625116147. The next prime is 688625116177. The reversal of 688625116159 is 951611526886.

688625116159 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 688625116159 - 2²³ = 688616727551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688625116129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344312558079 + 344312558080.

It is an arithmetic number, because the mean of its divisors is an integer number (344312558080).

Almost surely, 2^688625116159 is an apocalyptic number.

688625116159 is a deficient number, since it is larger than the sum of its proper divisors (1).

688625116159 is an equidigital number, since it uses as much as digits as its factorization.

688625116159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 58.

The spelling of 688625116159 in words is "six hundred eighty-eight billion, six hundred twenty-five million, one hundred sixteen thousand, one hundred fifty-nine".