68238744783286 has 64 divisors (see below), whose sum is σ = 127783172021760. Its totient is φ = 26551576719360.

The previous prime is 68238744783221. The next prime is 68238744783359.

68238744783286 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361621336 + ... + 361809988.

It is an arithmetic number, because the mean of its divisors is an integer number (1996612062840).

Almost surely, 2^{68238744783286} is an apocalyptic number.

68238744783286 is a deficient number, since it is larger than the sum of its proper divisors (59544427238474).

68238744783286 is a wasteful number, since it uses less digits than its factorization.

68238744783286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191749.

The product of its digits is 4161798144, while the sum is 76.

The spelling of 68238744783286 in words is "sixty-eight trillion, two hundred thirty-eight billion, seven hundred forty-four million, seven hundred eighty-three thousand, two hundred eighty-six".