68628493796928 has 336 divisors, whose sum is σ = 208166840642880. Its totient is φ = 19889399881728.

The previous prime is 68628493796911. The next prime is 68628493796977. The reversal of 68628493796928 is 82969739482686.

68628493796928 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 47 ways as a sum of consecutive naturals, for example, 106334850 + ... + 106978302.

It is an arithmetic number, because the mean of its divisors is an integer number (619544168580).

Almost surely, 2^{68628493796928} 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 68628493796928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104083420321440).

68628493796928 is an abundant number, since it is smaller than the sum of its proper divisors (139538346845952).

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

68628493796928 is a wasteful number, since it uses less digits than its factorization.

68628493796928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643686 (or 643663 counting only the distinct ones).

The product of its digits is 27088846848, while the sum is 87.

The spelling of 68628493796928 in words is "sixty-eight trillion, six hundred twenty-eight billion, four hundred ninety-three million, seven hundred ninety-six thousand, nine hundred twenty-eight".