6868427280 has 640 divisors, whose sum is σ = 26518302720. Its totient is φ = 1447649280.

The previous prime is 6868427257. The next prime is 6868427299. The reversal of 6868427280 is 827248686.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 66683709 + ... + 66683811.

It is an arithmetic number, because the mean of its divisors is an integer number (41434848).

Almost surely, 2^6868427280 is an apocalyptic number.

6868427280 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 6868427280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13259151360).

6868427280 is an abundant number, since it is smaller than the sum of its proper divisors (19649875440).

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

6868427280 is a wasteful number, since it uses less digits than its factorization.

6868427280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The square root of 6868427280 is about 82875.9752883790. The cubic root of 6868427280 is about 1900.8700797987.

The spelling of 6868427280 in words is "six billion, eight hundred sixty-eight million, four hundred twenty-seven thousand, two hundred eighty".