85499 has 4 divisors (see below), whose sum is σ = 86136. Its totient is φ = 84864.

The previous prime is 85487. The next prime is 85513. The reversal of 85499 is 99458.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 85499 - 2⁸ = 85243 is a prime.

It is a super-3 number, since 3×85499³ = 1875013333519497, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85429) 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, 29 + ... + 414.

It is an arithmetic number, because the mean of its divisors is an integer number (21534).

2⁸⁵⁴⁹⁹ is an apocalyptic number.

85499 is a deficient number, since it is larger than the sum of its proper divisors (637).

85499 is a wasteful number, since it uses less digits than its factorization.

85499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its digits is 12960, while the sum is 35.

The square root of 85499 is about 292.4021203753. The cubic root of 85499 is about 44.0541688221.

It can be divided in two parts, 8549 and 9, that added together give a palindrome (8558).

The spelling of 85499 in words is "eighty-five thousand, four hundred ninety-nine".