68759759 has 2 divisors, whose sum is σ = 68759760. Its totient is φ = 68759758.

The previous prime is 68759741. The next prime is 68759771. The reversal of 68759759 is 95795786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68759759 - 2¹² = 68755663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68759729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34379879 + 34379880.

It is an arithmetic number, because the mean of its divisors is an integer number (34379880).

Almost surely, 2^68759759 is an apocalyptic number.

68759759 is a deficient number, since it is larger than the sum of its proper divisors (1).

68759759 is an equidigital number, since it uses as much as digits as its factorization.

68759759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 56.

The square root of 68759759 is about 8292.1504448484. The cubic root of 68759759 is about 409.6800180348.

The spelling of 68759759 in words is "sixty-eight million, seven hundred fifty-nine thousand, seven hundred fifty-nine".