85852140 has 48 divisors (see below), whose sum is σ = 262241280. Its totient is φ = 20812480.

The previous prime is 85852133. The next prime is 85852141. The reversal of 85852140 is 4125858.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (85852141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64380 + ... + 65699.

It is an arithmetic number, because the mean of its divisors is an integer number (5463360).

Almost surely, 2^85852140 is an apocalyptic number.

It is an amenable number.

85852140 is an abundant number, since it is smaller than the sum of its proper divisors (176389140).

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

85852140 is a wasteful number, since it uses less digits than its factorization.

85852140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130102 (or 130100 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 85852140 is about 9265.6429890213. The cubic root of 85852140 is about 441.1473841634.

Adding to 85852140 its reverse (4125858), we get a palindrome (89977998).

The spelling of 85852140 in words is "eighty-five million, eight hundred fifty-two thousand, one hundred forty".