6884811081 has 8 divisors (see below), whose sum is σ = 10199720160. Its totient is φ = 4589874036.

The previous prime is 6884811077. The next prime is 6884811127. The reversal of 6884811081 is 1801184886.

6884811081 is a `hidden beast` number, since 6 + 88 + 481 + 10 + 81 = 666.

It is not a de Polignac number, because 6884811081 - 2² = 6884811077 is a prime.

It is a super-3 number, since 3×6884811081³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6884811041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127496475 + ... + 127496528.

It is an arithmetic number, because the mean of its divisors is an integer number (1274965020).

Almost surely, 2^6884811081 is an apocalyptic number.

It is an amenable number.

6884811081 is a deficient number, since it is larger than the sum of its proper divisors (3314909079).

6884811081 is a wasteful number, since it uses less digits than its factorization.

6884811081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254993012 (or 254993006 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 45.

The square root of 6884811081 is about 82974.7617110167. The cubic root of 6884811081 is about 1902.3803113560.

The spelling of 6884811081 in words is "six billion, eight hundred eighty-four million, eight hundred eleven thousand, eighty-one".