85443512 has 64 divisors (see below), whose sum is σ = 206668800. Its totient is φ = 32135040.

The previous prime is 85443499. The next prime is 85443529. The reversal of 85443512 is 21534458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15473 + ... + 20255.

It is an arithmetic number, because the mean of its divisors is an integer number (3229200).

Almost surely, 2^85443512 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 85443512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103334400).

85443512 is an abundant number, since it is smaller than the sum of its proper divisors (121225288).

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

85443512 is a wasteful number, since it uses less digits than its factorization.

85443512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4832 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 85443512 is about 9243.5659785604. The cubic root of 85443512 is about 440.4463652062.

The spelling of 85443512 in words is "eighty-five million, four hundred forty-three thousand, five hundred twelve".