68675777280 has 432 divisors, whose sum is σ = 270493606656. Its totient is φ = 15924142080.

The previous prime is 68675777273. The next prime is 68675777311. The reversal of 68675777280 is 8277757686.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2902779 + ... + 2926341.

It is an arithmetic number, because the mean of its divisors is an integer number (626142608).

Almost surely, 2^68675777280 is an apocalyptic number.

68675777280 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 68675777280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135246803328).

68675777280 is an abundant number, since it is smaller than the sum of its proper divisors (201817829376).

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

68675777280 is a wasteful number, since it uses less digits than its factorization.

68675777280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624 (or 23607 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 63.

The spelling of 68675777280 in words is "sixty-eight billion, six hundred seventy-five million, seven hundred seventy-seven thousand, two hundred eighty".