85710 has 16 divisors (see below), whose sum is σ = 205776. Its totient is φ = 22848.

The previous prime is 85703. The next prime is 85711. The reversal of 85710 is 1758.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85710.

It is not an unprimeable number, because it can be changed into a prime (85711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399 + ... + 1458.

It is an arithmetic number, because the mean of its divisors is an integer number (12861).

2⁸⁵⁷¹⁰ is an apocalyptic number.

85710 is an abundant number, since it is smaller than the sum of its proper divisors (120066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102888).

85710 is a wasteful number, since it uses less digits than its factorization.

85710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 85710 is about 292.7627025425. The cubic root of 85710 is about 44.0903789667.

The spelling of 85710 in words is "eighty-five thousand, seven hundred ten".