68848686 has 12 divisors (see below), whose sum is σ = 149172192. Its totient is φ = 22949556.

The previous prime is 68848679. The next prime is 68848699. The reversal of 68848686 is 68684886.

68848686 is a `hidden beast` number, since 6 + 88 + 486 + 86 = 666.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1912446 + ... + 1912481.

It is an arithmetic number, because the mean of its divisors is an integer number (12431016).

Almost surely, 2^68848686 is an apocalyptic number.

68848686 is an abundant number, since it is smaller than the sum of its proper divisors (80323506).

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

68848686 is a wasteful number, since it uses less digits than its factorization.

68848686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824935 (or 3824932 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 68848686 is about 8297.5108315687. The cubic root of 68848686 is about 409.8565550147.

The spelling of 68848686 in words is "sixty-eight million, eight hundred forty-eight thousand, six hundred eighty-six".