6804559872 has 432 divisors, whose sum is σ = 22600173960. Its totient is φ = 2043740160.

The previous prime is 6804559807. The next prime is 6804559873. The reversal of 6804559872 is 2789554086.

6804559872 is a `hidden beast` number, since 6 + 8 + 0 + 4 + 559 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804559873) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60217288 + ... + 60217400.

Almost surely, 2^6804559872 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 6804559872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11300086980).

6804559872 is an abundant number, since it is smaller than the sum of its proper divisors (15795614088).

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

6804559872 is a wasteful number, since it uses less digits than its factorization.

6804559872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 6804559872 is about 82489.7561640232. The cubic root of 6804559872 is about 1894.9598524875.

The spelling of 6804559872 in words is "six billion, eight hundred four million, five hundred fifty-nine thousand, eight hundred seventy-two".