85512064 has 32 divisors (see below), whose sum is σ = 185846040. Its totient is φ = 38868480.

The previous prime is 85512041. The next prime is 85512067. The reversal of 85512064 is 46021558.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85512067) 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 3 ways as a sum of consecutive naturals, for example, 28959 + ... + 31774.

Almost surely, 2^85512064 is an apocalyptic number.

It is an amenable number.

85512064 is an abundant number, since it is smaller than the sum of its proper divisors (100333976).

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

85512064 is a wasteful number, since it uses less digits than its factorization.

85512064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60758 (or 60746 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85512064 is about 9247.2733278518. The cubic root of 85512064 is about 440.5641249100.

The spelling of 85512064 in words is "eighty-five million, five hundred twelve thousand, sixty-four".