6811822854 has 48 divisors (see below), whose sum is σ = 15709075200. Its totient is φ = 2125835520.

The previous prime is 6811822819. The next prime is 6811822859. The reversal of 6811822854 is 4582281186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811822859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172 + ... + 116720.

It is an arithmetic number, because the mean of its divisors is an integer number (327272400).

Almost surely, 2^6811822854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6811822854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7854537600).

6811822854 is an abundant number, since it is smaller than the sum of its proper divisors (8897252346).

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

6811822854 is a wasteful number, since it uses less digits than its factorization.

6811822854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116765 (or 116762 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 6811822854 is about 82533.7679619681. The cubic root of 6811822854 is about 1895.6338204199.

The spelling of 6811822854 in words is "six billion, eight hundred eleven million, eight hundred twenty-two thousand, eight hundred fifty-four".