68476985280 has 280 divisors, whose sum is σ = 265729852080. Its totient is φ = 16600412160.

The previous prime is 68476985243. The next prime is 68476985377. The reversal of 68476985280 is 8258967486.

68476985280 is a `hidden beast` number, since 6 + 8 + 47 + 69 + 8 + 528 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 165036 + ... + 405204.

It is an arithmetic number, because the mean of its divisors is an integer number (949035186).

Almost surely, 2^68476985280 is an apocalyptic number.

68476985280 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 68476985280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132864926040).

68476985280 is an abundant number, since it is smaller than the sum of its proper divisors (197252866800).

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

68476985280 is a wasteful number, since it uses less digits than its factorization.

68476985280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240209 (or 240190 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 68476985280 in words is "sixty-eight billion, four hundred seventy-six million, nine hundred eighty-five thousand, two hundred eighty".