859530112 has 64 divisors (see below), whose sum is σ = 1981900800. Its totient is φ = 363677184.

The previous prime is 859530083. The next prime is 859530143. The reversal of 859530112 is 211035958.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64713 + ... + 76855.

It is an arithmetic number, because the mean of its divisors is an integer number (30967200).

Almost surely, 2^859530112 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 859530112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990950400).

859530112 is an abundant number, since it is smaller than the sum of its proper divisors (1122370688).

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

859530112 is a wasteful number, since it uses less digits than its factorization.

859530112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12243 (or 12231 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 859530112 is about 29317.7439786898. The cubic root of 859530112 is about 950.7953125795.

The spelling of 859530112 in words is "eight hundred fifty-nine million, five hundred thirty thousand, one hundred twelve".