68896289280 has 480 divisors, whose sum is σ = 275940713664. Its totient is φ = 14535327744.

The previous prime is 68896289269. The next prime is 68896289323. The reversal of 68896289280 is 8298269886.

It is a tau number, because it is divible by the number of its divisors (480).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4885119 + ... + 4899201.

Almost surely, 2^68896289280 is an apocalyptic number.

68896289280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68896289280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137970356832).

68896289280 is an abundant number, since it is smaller than the sum of its proper divisors (207044424384).

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

68896289280 is a wasteful number, since it uses less digits than its factorization.

68896289280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136 (or 14113 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 66.

The spelling of 68896289280 in words is "sixty-eight billion, eight hundred ninety-six million, two hundred eighty-nine thousand, two hundred eighty".