6811574884 has 12 divisors (see below), whose sum is σ = 11920834044. Its totient is φ = 3405622304.

The previous prime is 6811574881. The next prime is 6811574929. The reversal of 6811574884 is 4884751186.

It can be written as a sum of positive squares in 2 ways, for example, as 3734432100 + 3077142784 = 61110^2 + 55472^2 .

It is a super-2 number, since 2×6811574884² = 92795104800679226912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6811574881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138882 + ... + 181414.

It is an arithmetic number, because the mean of its divisors is an integer number (993402837).

Almost surely, 2^6811574884 is an apocalyptic number.

It is an amenable number.

6811574884 is a deficient number, since it is larger than the sum of its proper divisors (5109259160).

6811574884 is a wasteful number, since it uses less digits than its factorization.

6811574884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82574 (or 82572 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 52.

The square root of 6811574884 is about 82532.2657146888. The cubic root of 6811574884 is about 1895.6108179611.

The spelling of 6811574884 in words is "six billion, eight hundred eleven million, five hundred seventy-four thousand, eight hundred eighty-four".