68255599 has 2 divisors, whose sum is σ = 68255600. Its totient is φ = 68255598.

The previous prime is 68255587. The next prime is 68255641. The reversal of 68255599 is 99555286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68255599 - 2⁵ = 68255567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68255399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34127799 + 34127800.

It is an arithmetic number, because the mean of its divisors is an integer number (34127800).

Almost surely, 2^68255599 is an apocalyptic number.

68255599 is a deficient number, since it is larger than the sum of its proper divisors (1).

68255599 is an equidigital number, since it uses as much as digits as its factorization.

68255599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The square root of 68255599 is about 8261.6946808751. The cubic root of 68255599 is about 408.6762761418.

It can be divided in two parts, 6 and 8255599, that multiplied together give a palindrome (49533594).

The spelling of 68255599 in words is "sixty-eight million, two hundred fifty-five thousand, five hundred ninety-nine".