68937379886 has 16 divisors (see below), whose sum is σ = 105730836624. Its totient is φ = 33702330624.

The previous prime is 68937379877. The next prime is 68937379909. The reversal of 68937379886 is 68897373986.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124545 + ... + 2156748.

It is an arithmetic number, because the mean of its divisors is an integer number (6608177289).

Almost surely, 2^68937379886 is an apocalyptic number.

68937379886 is a deficient number, since it is larger than the sum of its proper divisors (36793456738).

68937379886 is a wasteful number, since it uses less digits than its factorization.

68937379886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281475.

The product of its digits is 658409472, while the sum is 74.

The spelling of 68937379886 in words is "sixty-eight billion, nine hundred thirty-seven million, three hundred seventy-nine thousand, eight hundred eighty-six".