84441888218 has 16 divisors (see below), whose sum is σ = 131626252800. Its totient is φ = 40584752400.

The previous prime is 84441888217. The next prime is 84441888301. The reversal of 84441888218 is 81288814448.

It is not an unprimeable number, because it can be changed into a prime (84441888217) by changing a digit.

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, 4561118 + ... + 4579593.

It is an arithmetic number, because the mean of its divisors is an integer number (8226640800).

Almost surely, 2^84441888218 is an apocalyptic number.

84441888218 is a deficient number, since it is larger than the sum of its proper divisors (47184364582).

84441888218 is a wasteful number, since it uses less digits than its factorization.

84441888218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140893.

The product of its digits is 4194304, while the sum is 56.

The spelling of 84441888218 in words is "eighty-four billion, four hundred forty-one million, eight hundred eighty-eight thousand, two hundred eighteen".