68327715838 has 16 divisors (see below), whose sum is σ = 103577731920. Its totient is φ = 33802272000.

The previous prime is 68327715823. The next prime is 68327715889. The reversal of 68327715838 is 83851772386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178798 + ... + 410638.

It is an arithmetic number, because the mean of its divisors is an integer number (6473608245).

Almost surely, 2^68327715838 is an apocalyptic number.

68327715838 is a deficient number, since it is larger than the sum of its proper divisors (35250016082).

68327715838 is a wasteful number, since it uses less digits than its factorization.

68327715838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233403.

The product of its digits is 13547520, while the sum is 58.

The spelling of 68327715838 in words is "sixty-eight billion, three hundred twenty-seven million, seven hundred fifteen thousand, eight hundred thirty-eight".