68385879 has 24 divisors (see below), whose sum is σ = 102258000. Its totient is φ = 44005248.

The previous prime is 68385871. The next prime is 68385931. The reversal of 68385879 is 97858386.

It is a happy number.

It is not a de Polignac number, because 68385879 - 2³ = 68385871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68385871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44872 + ... + 46370.

It is an arithmetic number, because the mean of its divisors is an integer number (4260750).

Almost surely, 2^68385879 is an apocalyptic number.

68385879 is a deficient number, since it is larger than the sum of its proper divisors (33872121).

68385879 is a wasteful number, since it uses less digits than its factorization.

68385879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1676 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 68385879 is about 8269.5755030110. The cubic root of 68385879 is about 408.9361254300.

The spelling of 68385879 in words is "sixty-eight million, three hundred eighty-five thousand, eight hundred seventy-nine".