68609775842608 has 360 divisors, whose sum is σ = 188949596035200. Its totient is φ = 23878868428800.

The previous prime is 68609775842579. The next prime is 68609775842611. The reversal of 68609775842608 is 80624857790686.

68609775842608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 71 ways as a sum of consecutive naturals, for example, 37332868 + ... + 39127516.

Almost surely, 2^{68609775842608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68609775842608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94474798017600).

68609775842608 is an abundant number, since it is smaller than the sum of its proper divisors (120339820192592).

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

68609775842608 is a wasteful number, since it uses less digits than its factorization.

68609775842608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794737 (or 1794713 counting only the distinct ones).

The product of its (nonzero) digits is 1950842880, while the sum is 76.

The spelling of 68609775842608 in words is "sixty-eight trillion, six hundred nine billion, seven hundred seventy-five million, eight hundred forty-two thousand, six hundred eight".