85975319252 has 12 divisors (see below), whose sum is σ = 150486479220. Its totient is φ = 42979182336.

The previous prime is 85975319251. The next prime is 85975319267. The reversal of 85975319252 is 25291357958.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43817374276 + 42157944976 = 209326^2 + 205324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85975319251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2096477 + ... + 2137092.

It is an arithmetic number, because the mean of its divisors is an integer number (12540539935).

Almost surely, 2^85975319252 is an apocalyptic number.

It is an amenable number.

85975319252 is a deficient number, since it is larger than the sum of its proper divisors (64511159968).

85975319252 is a wasteful number, since it uses less digits than its factorization.

85975319252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238650 (or 4238648 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 56.

The spelling of 85975319252 in words is "eighty-five billion, nine hundred seventy-five million, three hundred nineteen thousand, two hundred fifty-two".