85441512 has 64 divisors (see below), whose sum is σ = 234420480. Its totient is φ = 25788672.

The previous prime is 85441483. The next prime is 85441519. The reversal of 85441512 is 21514458.

It is a super-2 number, since 2×85441512² = 14600503945692288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85441512.

It is not an unprimeable number, because it can be changed into a prime (85441519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13953 + ... + 19119.

It is an arithmetic number, because the mean of its divisors is an integer number (3662820).

Almost surely, 2^85441512 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 85441512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117210240).

85441512 is an abundant number, since it is smaller than the sum of its proper divisors (148978968).

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

85441512 is a wasteful number, since it uses less digits than its factorization.

85441512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242 (or 5238 counting only the distinct ones).

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

The square root of 85441512 is about 9243.4577945702. The cubic root of 85441512 is about 440.4429286293.

The spelling of 85441512 in words is "eighty-five million, four hundred forty-one thousand, five hundred twelve".