84455112 has 64 divisors (see below), whose sum is σ = 242294400. Its totient is φ = 24030720.

The previous prime is 84455101. The next prime is 84455113. The reversal of 84455112 is 21155448.

It is a self number, because there is not a number n which added to its sum of digits gives 84455112.

It is not an unprimeable number, because it can be changed into a prime (84455113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46314 + ... + 48102.

It is an arithmetic number, because the mean of its divisors is an integer number (3785850).

Almost surely, 2^84455112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84455112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121147200).

84455112 is an abundant number, since it is smaller than the sum of its proper divisors (157839288).

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

84455112 is a wasteful number, since it uses less digits than its factorization.

84455112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2082 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 84455112 is about 9189.9462457623. The cubic root of 84455112 is about 438.7414309899.

The spelling of 84455112 in words is "eighty-four million, four hundred fifty-five thousand, one hundred twelve".