85544748 has 144 divisors (see below), whose sum is σ = 246564864. Its totient is φ = 25816320.

The previous prime is 85544743. The next prime is 85544761. The reversal of 85544748 is 84744558.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85544743) 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 47 ways as a sum of consecutive naturals, for example, 512161 + ... + 512327.

It is an arithmetic number, because the mean of its divisors is an integer number (1712256).

Almost surely, 2^85544748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85544748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123282432).

85544748 is an abundant number, since it is smaller than the sum of its proper divisors (161020116).

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

85544748 is a wasteful number, since it uses less digits than its factorization.

85544748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 220 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 85544748 is about 9249.0403826559. The cubic root of 85544748 is about 440.6202478437.

The spelling of 85544748 in words is "eighty-five million, five hundred forty-four thousand, seven hundred forty-eight".