68086680 has 32 divisors (see below), whose sum is σ = 204260400. Its totient is φ = 18156416.

The previous prime is 68086679. The next prime is 68086699. The reversal of 68086680 is 8668086.

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 7 ways as a sum of consecutive naturals, for example, 283575 + ... + 283814.

Almost surely, 2^68086680 is an apocalyptic number.

68086680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68086680 is an abundant number, since it is smaller than the sum of its proper divisors (136173720).

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

68086680 is a wasteful number, since it uses less digits than its factorization.

68086680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567403 (or 567399 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 68086680 is about 8251.4653244136. The cubic root of 68086680 is about 408.3388668786.

The spelling of 68086680 in words is "sixty-eight million, eighty-six thousand, six hundred eighty".