84275859444 has 144 divisors (see below), whose sum is σ = 233266787712. Its totient is φ = 23193547776.

The previous prime is 84275859391. The next prime is 84275859523. The reversal of 84275859444 is 44495857248.

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 47 ways as a sum of consecutive naturals, for example, 11334352 + ... + 11341784.

It is an arithmetic number, because the mean of its divisors is an integer number (1619908248).

Almost surely, 2^84275859444 is an apocalyptic number.

84275859444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84275859444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116633393856).

84275859444 is an abundant number, since it is smaller than the sum of its proper divisors (148990928268).

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

84275859444 is a wasteful number, since it uses less digits than its factorization.

84275859444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606 (or 7561 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 60.

The spelling of 84275859444 in words is "eighty-four billion, two hundred seventy-five million, eight hundred fifty-nine thousand, four hundred forty-four".