85325436 has 72 divisors (see below), whose sum is σ = 247345280. Its totient is φ = 24294816.

The previous prime is 85325417. The next prime is 85325473. The reversal of 85325436 is 63452358.

It is a happy number.

85325436 is a `hidden beast` number, since 85 + 32 + 543 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 85325436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137535 + ... + 138153.

Almost surely, 2^85325436 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 85325436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123672640).

85325436 is an abundant number, since it is smaller than the sum of its proper divisors (162019844).

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

85325436 is a wasteful number, since it uses less digits than its factorization.

85325436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1178 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 85325436 is about 9237.1768414381. The cubic root of 85325436 is about 440.2433846315.

The spelling of 85325436 in words is "eighty-five million, three hundred twenty-five thousand, four hundred thirty-six".