6855678884 has 12 divisors (see below), whose sum is σ = 12012021504. Its totient is φ = 3423672744.

The previous prime is 6855678883. The next prime is 6855678889. The reversal of 6855678884 is 4888765586.

It is a super-3 number, since 3×6855678884³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6855678884.

It is not an unprimeable number, because it can be changed into a prime (6855678883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037972 + ... + 1044555.

It is an arithmetic number, because the mean of its divisors is an integer number (1001001792).

Almost surely, 2^6855678884 is an apocalyptic number.

It is an amenable number.

6855678884 is a deficient number, since it is larger than the sum of its proper divisors (5156342620).

6855678884 is a wasteful number, since it uses less digits than its factorization.

6855678884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083354 (or 2083352 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 65.

The square root of 6855678884 is about 82799.0270715786. The cubic root of 6855678884 is about 1899.6932915817.

The spelling of 6855678884 in words is "six billion, eight hundred fifty-five million, six hundred seventy-eight thousand, eight hundred eighty-four".