85874 has 4 divisors (see below), whose sum is σ = 128814. Its totient is φ = 42936.

The previous prime is 85853. The next prime is 85889. The reversal of 85874 is 47858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47858 = 2 ⋅23929.

It can be written as a sum of positive squares in only one way, i.e., 85849 + 25 = 293^2 + 5^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 85874.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85874.

It is an unprimeable number.

85874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21467 + ... + 21470.

2⁸⁵⁸⁷⁴ is an apocalyptic number.

85874 is a deficient number, since it is larger than the sum of its proper divisors (42940).

85874 is a wasteful number, since it uses less digits than its factorization.

85874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42939.

The product of its digits is 8960, while the sum is 32.

The square root of 85874 is about 293.0426590106. The cubic root of 85874 is about 44.1184823197.

It can be divided in two parts, 85 and 874, that added together give a palindrome (959).

The spelling of 85874 in words is "eighty-five thousand, eight hundred seventy-four".