85444752 has 20 divisors (see below), whose sum is σ = 220732400. Its totient is φ = 28481568.

The previous prime is 85444739. The next prime is 85444769. The reversal of 85444752 is 25744458.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85444752.

It is an unprimeable number.

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, 890002 + ... + 890097.

It is an arithmetic number, because the mean of its divisors is an integer number (11036620).

Almost surely, 2^85444752 is an apocalyptic number.

It is an amenable number.

85444752 is an abundant number, since it is smaller than the sum of its proper divisors (135287648).

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

85444752 is a wasteful number, since it uses less digits than its factorization.

85444752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780110 (or 1780104 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 85444752 is about 9243.6330519985. The cubic root of 85444752 is about 440.4484958570.

The spelling of 85444752 in words is "eighty-five million, four hundred forty-four thousand, seven hundred fifty-two".