85328012 has 72 divisors (see below), whose sum is σ = 199563840. Its totient is φ = 31479840.

The previous prime is 85327969. The next prime is 85328041. The reversal of 85328012 is 21082358.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39923 + ... + 42005.

It is an arithmetic number, because the mean of its divisors is an integer number (2771720).

Almost surely, 2^85328012 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 85328012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99781920).

85328012 is an abundant number, since it is smaller than the sum of its proper divisors (114235828).

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

85328012 is a wasteful number, since it uses less digits than its factorization.

85328012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 85328012 is about 9237.3162769281. The cubic root of 85328012 is about 440.2478149460.

The spelling of 85328012 in words is "eighty-five million, three hundred twenty-eight thousand, twelve".