85184685 has 24 divisors (see below), whose sum is σ = 147868344. Its totient is φ = 45365760.

The previous prime is 85184669. The next prime is 85184689. The reversal of 85184685 is 58648158.

It can be written as a sum of positive squares in 4 ways, for example, as 40106889 + 45077796 = 6333^2 + 6714^2 .

It is not a de Polignac number, because 85184685 - 2⁴ = 85184669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85184685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85184689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58729 + ... + 60161.

It is an arithmetic number, because the mean of its divisors is an integer number (6161181).

Almost surely, 2^85184685 is an apocalyptic number.

It is an amenable number.

85184685 is a deficient number, since it is larger than the sum of its proper divisors (62683659).

85184685 is a wasteful number, since it uses less digits than its factorization.

85184685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2762 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 85184685 is about 9229.5549730201. The cubic root of 85184685 is about 440.0011794046.

It can be divided in two parts, 8518 and 4685, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 85184685 in words is "eighty-five million, one hundred eighty-four thousand, six hundred eighty-five".