84785 has 8 divisors (see below), whose sum is σ = 105216. Its totient is φ = 65520.

The previous prime is 84761. The next prime is 84787. The reversal of 84785 is 58748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84785 - 2¹⁰ = 83761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84787) 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, 119 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (13152).

2⁸⁴⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

84785 is a deficient number, since it is larger than the sum of its proper divisors (20431).

84785 is a wasteful number, since it uses less digits than its factorization.

84785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

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

The square root of 84785 is about 291.1786393264. The cubic root of 84785 is about 43.9311941124.

The spelling of 84785 in words is "eighty-four thousand, seven hundred eighty-five".