68908086 has 24 divisors (see below), whose sum is σ = 160786080. Its totient is φ = 21202416.

The previous prime is 68908057. The next prime is 68908111. The reversal of 68908086 is 68080986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147006 + ... + 147473.

It is an arithmetic number, because the mean of its divisors is an integer number (6699420).

Almost surely, 2^68908086 is an apocalyptic number.

68908086 is an abundant number, since it is smaller than the sum of its proper divisors (91877994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68908086 is a wasteful number, since it uses less digits than its factorization.

68908086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294500 (or 294497 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 68908086 is about 8301.0894465727. The cubic root of 68908086 is about 409.9743906273.

The spelling of 68908086 in words is "sixty-eight million, nine hundred eight thousand, eighty-six".