85808085 has 64 divisors (see below), whose sum is σ = 159805440. Its totient is φ = 38880000.

The previous prime is 85808083. The next prime is 85808117. The reversal of 85808085 is 58080858.

It is not a de Polignac number, because 85808085 - 2¹ = 85808083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85808081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316500 + ... + 316770.

It is an arithmetic number, because the mean of its divisors is an integer number (2496960).

Almost surely, 2^85808085 is an apocalyptic number.

It is an amenable number.

85808085 is a deficient number, since it is larger than the sum of its proper divisors (73997355).

85808085 is a wasteful number, since it uses less digits than its factorization.

85808085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 85808085 is about 9263.2653529951. The cubic root of 85808085 is about 441.0719130365.

The spelling of 85808085 in words is "eighty-five million, eight hundred eight thousand, eighty-five".