85775 has 12 divisors (see below), whose sum is σ = 110112. Its totient is φ = 66240.

The previous prime is 85751. The next prime is 85781. The reversal of 85775 is 57758.

It is not a de Polignac number, because 85775 - 2⁶ = 85711 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (9176).

2⁸⁵⁷⁷⁵ is an apocalyptic number.

85775 is a deficient number, since it is larger than the sum of its proper divisors (24337).

85775 is a wasteful number, since it uses less digits than its factorization.

85775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 125 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 85775 is about 292.8736929121. The cubic root of 85775 is about 44.1015217757.

The spelling of 85775 in words is "eighty-five thousand, seven hundred seventy-five".