6805211884 has 24 divisors (see below), whose sum is σ = 12297495168. Its totient is φ = 3291717120.

The previous prime is 6805211851. The next prime is 6805211929. The reversal of 6805211884 is 4881125086.

It is a super-2 number, since 2×6805211884² = 92621817572269658912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6805211884.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440922 + ... + 456094.

It is an arithmetic number, because the mean of its divisors is an integer number (512395632).

Almost surely, 2^6805211884 is an apocalyptic number.

It is an amenable number.

6805211884 is a deficient number, since it is larger than the sum of its proper divisors (5492283284).

6805211884 is a wasteful number, since it uses less digits than its factorization.

6805211884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18825 (or 18823 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 6805211884 is about 82493.7081479551. The cubic root of 6805211884 is about 1895.0203754861.

The spelling of 6805211884 in words is "six billion, eight hundred five million, two hundred eleven thousand, eight hundred eighty-four".