85028812 has 48 divisors (see below), whose sum is σ = 172559520. Its totient is φ = 36288000.

The previous prime is 85028809. The next prime is 85028821. The reversal of 85028812 is 21882058.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46312 + ... + 48112.

It is an arithmetic number, because the mean of its divisors is an integer number (3594990).

Almost surely, 2^85028812 is an apocalyptic number.

It is an amenable number.

85028812 is an abundant number, since it is smaller than the sum of its proper divisors (87530708).

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

85028812 is a wasteful number, since it uses less digits than its factorization.

85028812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 85028812 is about 9221.1068749907. The cubic root of 85028812 is about 439.7326406063.

The spelling of 85028812 in words is "eighty-five million, twenty-eight thousand, eight hundred twelve".