84255085 has 8 divisors (see below), whose sum is σ = 101204856. Its totient is φ = 67338240.

The previous prime is 84255037. The next prime is 84255089. The reversal of 84255085 is 58055248.

It can be written as a sum of positive squares in 4 ways, for example, as 9916201 + 74338884 = 3149^2 + 8622^2 .

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

It is not a de Polignac number, because 84255085 - 2¹⁵ = 84222317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84255089) 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, 2196 + ... + 13165.

It is an arithmetic number, because the mean of its divisors is an integer number (12650607).

Almost surely, 2^84255085 is an apocalyptic number.

It is an amenable number.

84255085 is a deficient number, since it is larger than the sum of its proper divisors (16949771).

84255085 is a wasteful number, since it uses less digits than its factorization.

84255085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16463.

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 84255085 is about 9179.0568687638. The cubic root of 84255085 is about 438.3947793530.

The spelling of 84255085 in words is "eighty-four million, two hundred fifty-five thousand, eighty-five".