85281873 has 8 divisors (see below), whose sum is σ = 113994336. Its totient is φ = 56712000.

The previous prime is 85281871. The next prime is 85281913. The reversal of 85281873 is 37818258.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85281873 - 2¹ = 85281871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85281871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34243 + ... + 36648.

It is an arithmetic number, because the mean of its divisors is an integer number (14249292).

Almost surely, 2^85281873 is an apocalyptic number.

It is an amenable number.

85281873 is a deficient number, since it is larger than the sum of its proper divisors (28712463).

85281873 is a wasteful number, since it uses less digits than its factorization.

85281873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71295.

The product of its digits is 107520, while the sum is 42.

The square root of 85281873 is about 9234.8185147300. The cubic root of 85281873 is about 440.1684496210.

It can be divided in two parts, 8528 and 1873, that added together give a palindrome (10401).

The spelling of 85281873 in words is "eighty-five million, two hundred eighty-one thousand, eight hundred seventy-three".