68385885 has 16 divisors (see below), whose sum is σ = 109524096. Its totient is φ = 36436928.

The previous prime is 68385871. The next prime is 68385931. The reversal of 68385885 is 58858386.

It is a cyclic number.

It is not a de Polignac number, because 68385885 - 2⁵ = 68385853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22687 + ... + 25523.

It is an arithmetic number, because the mean of its divisors is an integer number (6845256).

Almost surely, 2^68385885 is an apocalyptic number.

It is an amenable number.

68385885 is a deficient number, since it is larger than the sum of its proper divisors (41138211).

68385885 is a wasteful number, since it uses less digits than its factorization.

68385885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its digits is 1843200, while the sum is 51.

The square root of 68385885 is about 8269.5758657866. The cubic root of 68385885 is about 408.9361373896.

It can be divided in two parts, 683 and 85885, that added together give a palindrome (86568).

The spelling of 68385885 in words is "sixty-eight million, three hundred eighty-five thousand, eight hundred eighty-five".