84804444426 has 64 divisors (see below), whose sum is σ = 186988032000. Its totient is φ = 25475325120.

The previous prime is 84804444367. The next prime is 84804444443. The reversal of 84804444426 is 62444440848.

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 31 ways as a sum of consecutive naturals, for example, 10054431 + ... + 10062861.

It is an arithmetic number, because the mean of its divisors is an integer number (2921688000).

Almost surely, 2^84804444426 is an apocalyptic number.

84804444426 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 84804444426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93494016000).

84804444426 is an abundant number, since it is smaller than the sum of its proper divisors (102183587574).

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

84804444426 is a wasteful number, since it uses less digits than its factorization.

84804444426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491.

The product of its (nonzero) digits is 3145728, while the sum is 48.

The spelling of 84804444426 in words is "eighty-four billion, eight hundred four million, four hundred forty-four thousand, four hundred twenty-six".