84084444880 has 40 divisors (see below), whose sum is σ = 199184954472. Its totient is φ = 32999176704.

The previous prime is 84084444841. The next prime is 84084444931. The reversal of 84084444880 is 8844448048.

It can be written as a sum of positive squares in 4 ways, for example, as 42031560256 + 42052884624 = 205016^2 + 205068^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 9911379 + ... + 9919858.

Almost surely, 2^84084444880 is an apocalyptic number.

84084444880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84084444880 is an abundant number, since it is smaller than the sum of its proper divisors (115100509592).

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

84084444880 is a wasteful number, since it uses less digits than its factorization.

84084444880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831303 (or 19831297 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 84084444880 in words is "eighty-four billion, eighty-four million, four hundred forty-four thousand, eight hundred eighty".