85512028 has 12 divisors (see below), whose sum is σ = 171024112. Its totient is φ = 36648000.

The previous prime is 85512017. The next prime is 85512029. The reversal of 85512028 is 82021558.

85512028 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85512029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526973 + ... + 1527028.

Almost surely, 2^85512028 is an apocalyptic number.

It is an amenable number.

85512028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85512028 is a wasteful number, since it uses less digits than its factorization.

85512028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054012 (or 3054010 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 85512028 is about 9247.2713813319. The cubic root of 85512028 is about 440.5640630852.

The spelling of 85512028 in words is "eighty-five million, five hundred twelve thousand, twenty-eight".