84112555422 has 128 divisors (see below), whose sum is σ = 199997521920. Its totient is φ = 23085699840.

The previous prime is 84112555379. The next prime is 84112555519. The reversal of 84112555422 is 22455521148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30397083 + ... + 30399849.

It is an arithmetic number, because the mean of its divisors is an integer number (1562480640).

Almost surely, 2^84112555422 is an apocalyptic number.

84112555422 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 84112555422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99998760960).

84112555422 is an abundant number, since it is smaller than the sum of its proper divisors (115884966498).

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

84112555422 is a wasteful number, since it uses less digits than its factorization.

84112555422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086.

The product of its digits is 128000, while the sum is 39.

The spelling of 84112555422 in words is "eighty-four billion, one hundred twelve million, five hundred fifty-five thousand, four hundred twenty-two".