84825085 has 4 divisors (see below), whose sum is σ = 101790108. Its totient is φ = 67860064.

The previous prime is 84825073. The next prime is 84825089. The reversal of 84825085 is 58052848.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60746436 + 24078649 = 7794^2 + 4907^2 .

It is a cyclic number.

It is not a de Polignac number, because 84825085 - 2⁹ = 84824573 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84825089) 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, 8482504 + ... + 8482513.

It is an arithmetic number, because the mean of its divisors is an integer number (25447527).

Almost surely, 2^84825085 is an apocalyptic number.

It is an amenable number.

84825085 is a deficient number, since it is larger than the sum of its proper divisors (16965023).

84825085 is a wasteful number, since it uses less digits than its factorization.

84825085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965022.

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 84825085 is about 9210.0534743290. The cubic root of 84825085 is about 439.3811634496.

The spelling of 84825085 in words is "eighty-four million, eight hundred twenty-five thousand, eighty-five".