85808211 has 8 divisors (see below), whose sum is σ = 114525840. Its totient is φ = 57148032.

The previous prime is 85808209. The next prime is 85808213. The reversal of 85808211 is 11280858.

It is an interprime number because it is at equal distance from previous prime (85808209) and next prime (85808213).

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

It is not a de Polignac number, because 85808211 - 2¹ = 85808209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85808213) 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 7 ways as a sum of consecutive naturals, for example, 10746 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (14315730).

Almost surely, 2^85808211 is an apocalyptic number.

85808211 is a deficient number, since it is larger than the sum of its proper divisors (28717629).

85808211 is a wasteful number, since it uses less digits than its factorization.

85808211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 85808211 is about 9263.2721540501. The cubic root of 85808211 is about 441.0721289254.

The spelling of 85808211 in words is "eighty-five million, eight hundred eight thousand, two hundred eleven".