68885873264 has 320 divisors, whose sum is σ = 166309355520. Its totient is φ = 27298529280.

The previous prime is 68885873237. The next prime is 68885873269. The reversal of 68885873264 is 46237858886.

It is a self number, because there is not a number n which added to its sum of digits gives 68885873264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68885873269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224383799 + ... + 224384105.

It is an arithmetic number, because the mean of its divisors is an integer number (519716736).

Almost surely, 2^68885873264 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 68885873264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83154677760).

68885873264 is an abundant number, since it is smaller than the sum of its proper divisors (97423482256).

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

68885873264 is a wasteful number, since it uses less digits than its factorization.

68885873264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 482 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 65.

The spelling of 68885873264 in words is "sixty-eight billion, eight hundred eighty-five million, eight hundred seventy-three thousand, two hundred sixty-four".