68843087718 has 16 divisors (see below), whose sum is σ = 137689309296. Its totient is φ = 22947173600.

The previous prime is 68843087717. The next prime is 68843087737. The reversal of 68843087718 is 81778034886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68843087711) by changing a digit.

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, 232780 + ... + 438032.

It is an arithmetic number, because the mean of its divisors is an integer number (8605581831).

Almost surely, 2^68843087718 is an apocalyptic number.

68843087718 is an abundant number, since it is smaller than the sum of its proper divisors (68846221578).

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

68843087718 is a wasteful number, since it uses less digits than its factorization.

68843087718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261159.

The product of its (nonzero) digits is 14450688, while the sum is 60.

The spelling of 68843087718 in words is "sixty-eight billion, eight hundred forty-three million, eighty-seven thousand, seven hundred eighteen".