68488759 has 2 divisors, whose sum is σ = 68488760. Its totient is φ = 68488758.

The previous prime is 68488757. The next prime is 68488769. The reversal of 68488759 is 95788486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68488759 - 2¹ = 68488757 is a prime.

Together with 68488757, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68488751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34244379 + 34244380.

It is an arithmetic number, because the mean of its divisors is an integer number (34244380).

Almost surely, 2^68488759 is an apocalyptic number.

68488759 is a deficient number, since it is larger than the sum of its proper divisors (1).

68488759 is an equidigital number, since it uses as much as digits as its factorization.

68488759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 55.

The square root of 68488759 is about 8275.7935571158. The cubic root of 68488759 is about 409.1410910816.

The spelling of 68488759 in words is "sixty-eight million, four hundred eighty-eight thousand, seven hundred fifty-nine".