6809794884 has 72 divisors (see below), whose sum is σ = 17584414848. Its totient is φ = 2221511040.

The previous prime is 6809794879. The next prime is 6809794909. The reversal of 6809794884 is 4884979086.

6809794884 is a `hidden beast` number, since 6 + 80 + 9 + 79 + 488 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340449 + ... + 359895.

It is an arithmetic number, because the mean of its divisors is an integer number (244227984).

Almost surely, 2^6809794884 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 6809794884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8792207424).

6809794884 is an abundant number, since it is smaller than the sum of its proper divisors (10774619964).

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

6809794884 is a wasteful number, since it uses less digits than its factorization.

6809794884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19665 (or 19660 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 6809794884 is about 82521.4813487979. The cubic root of 6809794884 is about 1895.4456833058.

The spelling of 6809794884 in words is "six billion, eight hundred nine million, seven hundred ninety-four thousand, eight hundred eighty-four".