84444444404 has 12 divisors (see below), whose sum is σ = 147922807200. Its totient is φ = 42180785208.

The previous prime is 84444444391. The next prime is 84444444431. The reversal of 84444444404 is 40444444448.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10354664 + ... + 10362815.

It is an arithmetic number, because the mean of its divisors is an integer number (12326900600).

Almost surely, 2^84444444404 is an apocalyptic number.

It is an amenable number.

84444444404 is a deficient number, since it is larger than the sum of its proper divisors (63478362796).

84444444404 is a wasteful number, since it uses less digits than its factorization.

84444444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20718502 (or 20718500 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

Adding to 84444444404 its sum of digits (44), we get a palindrome (84444444448).

The spelling of 84444444404 in words is "eighty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred four".