68517702286 has 16 divisors (see below), whose sum is σ = 112485098880. Its totient is φ = 31042959480.

The previous prime is 68517702277. The next prime is 68517702289. The reversal of 68517702286 is 68220771586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68517702289) by changing a digit.

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, 5065626 + ... + 5079133.

It is an arithmetic number, because the mean of its divisors is an integer number (7030318680).

Almost surely, 2^68517702286 is an apocalyptic number.

68517702286 is a deficient number, since it is larger than the sum of its proper divisors (43967396594).

68517702286 is a wasteful number, since it uses less digits than its factorization.

68517702286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145079.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 68517702286 in words is "sixty-eight billion, five hundred seventeen million, seven hundred two thousand, two hundred eighty-six".