85853873 has 4 divisors (see below), whose sum is σ = 98118720. Its totient is φ = 73589028.

The previous prime is 85853869. The next prime is 85853879. The reversal of 85853873 is 37835858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85853873 - 2² = 85853869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85853879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132413 + ... + 6132426.

It is an arithmetic number, because the mean of its divisors is an integer number (24529680).

Almost surely, 2^85853873 is an apocalyptic number.

It is an amenable number.

85853873 is a deficient number, since it is larger than the sum of its proper divisors (12264847).

85853873 is a wasteful number, since it uses less digits than its factorization.

85853873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264846.

The product of its digits is 806400, while the sum is 47.

The square root of 85853873 is about 9265.7365060744. The cubic root of 85853873 is about 441.1503524578.

The spelling of 85853873 in words is "eighty-five million, eight hundred fifty-three thousand, eight hundred seventy-three".