68218881286 has 8 divisors (see below), whose sum is σ = 103855610520. Its totient is φ = 33600344448.

The previous prime is 68218881257. The next prime is 68218881329.

68218881286 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×68218881286³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 68218881286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254547931 + ... + 254548198.

It is an arithmetic number, because the mean of its divisors is an integer number (12981951315).

Almost surely, 2^68218881286 is an apocalyptic number.

68218881286 is a deficient number, since it is larger than the sum of its proper divisors (35636729234).

68218881286 is a wasteful number, since it uses less digits than its factorization.

68218881286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509096198.

The product of its digits is 4718592, while the sum is 58.

The spelling of 68218881286 in words is "sixty-eight billion, two hundred eighteen million, eight hundred eighty-one thousand, two hundred eighty-six".