85277 has 4 divisors (see below), whose sum is σ = 86940. Its totient is φ = 83616.

The previous prime is 85259. The next prime is 85297. The reversal of 85277 is 77258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77258 = 2 ⋅38629.

It can be written as a sum of positive squares in 2 ways, for example, as 75076 + 10201 = 274^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 85277 - 2⁶ = 85213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85237) 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, 752 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (21735).

2⁸⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

85277 is a deficient number, since it is larger than the sum of its proper divisors (1663).

85277 is a wasteful number, since it uses less digits than its factorization.

85277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662.

The product of its digits is 3920, while the sum is 29.

The square root of 85277 is about 292.0222594255. The cubic root of 85277 is about 44.0160065730.

It can be divided in two parts, 852 and 77, that added together give a palindrome (929).

The spelling of 85277 in words is "eighty-five thousand, two hundred seventy-seven".