6800081904 has 360 divisors, whose sum is σ = 24149565440. Its totient is φ = 1748355840.

The previous prime is 6800081891. The next prime is 6800081909. The reversal of 6800081904 is 4091800086.

It is a happy number.

It is a super-3 number, since 3×6800081904³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800081909) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15489717 + ... + 15490155.

Almost surely, 2^6800081904 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 6800081904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12074782720).

6800081904 is an abundant number, since it is smaller than the sum of its proper divisors (17349483536).

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

6800081904 is a wasteful number, since it uses less digits than its factorization.

6800081904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 6800081904 is about 82462.6091268036. The cubic root of 6800081904 is about 1894.5440807195.

The spelling of 6800081904 in words is "six billion, eight hundred million, eighty-one thousand, nine hundred four".