85628213 has 16 divisors (see below), whose sum is σ = 99005760. Its totient is φ = 73315200.

The previous prime is 85628189. The next prime is 85628227. The reversal of 85628213 is 31282658.

It is a cyclic number.

It is not a de Polignac number, because 85628213 - 2¹² = 85624117 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 (85628243) 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 15 ways as a sum of consecutive naturals, for example, 9806 + ... + 16352.

It is an arithmetic number, because the mean of its divisors is an integer number (6187860).

Almost surely, 2^85628213 is an apocalyptic number.

It is an amenable number.

85628213 is a deficient number, since it is larger than the sum of its proper divisors (13377547).

85628213 is a wasteful number, since it uses less digits than its factorization.

85628213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628.

The product of its digits is 23040, while the sum is 35.

The square root of 85628213 is about 9253.5513723111. The cubic root of 85628213 is about 440.7635039195.

The spelling of 85628213 in words is "eighty-five million, six hundred twenty-eight thousand, two hundred thirteen".