68108259 has 16 divisors (see below), whose sum is σ = 93898112. Its totient is φ = 43884288.

The previous prime is 68108213. The next prime is 68108263. The reversal of 68108259 is 95280186.

It is not a de Polignac number, because 68108259 - 2⁸ = 68108003 is a prime.

It is a super-2 number, since 2×68108259² = 9277469888022162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68108059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9792 + ... + 15234.

It is an arithmetic number, because the mean of its divisors is an integer number (5868632).

Almost surely, 2^68108259 is an apocalyptic number.

68108259 is a deficient number, since it is larger than the sum of its proper divisors (25789853).

68108259 is a wasteful number, since it uses less digits than its factorization.

68108259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 68108259 is about 8252.7728067602. The cubic root of 68108259 is about 408.3820011778.

The spelling of 68108259 in words is "sixty-eight million, one hundred eight thousand, two hundred fifty-nine".