68009886 has 24 divisors (see below), whose sum is σ = 168405744. Its totient is φ = 19431360.

The previous prime is 68009867. The next prime is 68009899. The reversal of 68009886 is 68890086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269755 + ... + 270006.

It is an arithmetic number, because the mean of its divisors is an integer number (7016906).

Almost surely, 2^68009886 is an apocalyptic number.

68009886 is an abundant number, since it is smaller than the sum of its proper divisors (100395858).

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

68009886 is a wasteful number, since it uses less digits than its factorization.

68009886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539776 (or 539773 counting only the distinct ones).

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

The square root of 68009886 is about 8246.8106562477. The cubic root of 68009886 is about 408.1852892540.

The spelling of 68009886 in words is "sixty-eight million, nine thousand, eight hundred eighty-six".