85216712 has 48 divisors (see below), whose sum is σ = 187179840. Its totient is φ = 35628768.

The previous prime is 85216711. The next prime is 85216717. The reversal of 85216712 is 21761258.

It is not an unprimeable number, because it can be changed into a prime (85216711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103133 + ... + 103955.

It is an arithmetic number, because the mean of its divisors is an integer number (3899580).

Almost surely, 2^85216712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85216712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93589920).

85216712 is an abundant number, since it is smaller than the sum of its proper divisors (101963128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85216712 is a wasteful number, since it uses less digits than its factorization.

85216712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 875 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 85216712 is about 9231.2898340373. The cubic root of 85216712 is about 440.0563151060.

The spelling of 85216712 in words is "eighty-five million, two hundred sixteen thousand, seven hundred twelve".