85047928 has 48 divisors (see below), whose sum is σ = 193585680. Its totient is φ = 34860672.

The previous prime is 85047917. The next prime is 85047929. The reversal of 85047928 is 82974058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85047929) 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 11 ways as a sum of consecutive naturals, for example, 4300 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (4033035).

Almost surely, 2^85047928 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 85047928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96792840).

85047928 is an abundant number, since it is smaller than the sum of its proper divisors (108537752).

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

85047928 is a wasteful number, since it uses less digits than its factorization.

85047928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476 (or 9465 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 85047928 is about 9222.1433517377. The cubic root of 85047928 is about 439.7655913952.

The spelling of 85047928 in words is "eighty-five million, forty-seven thousand, nine hundred twenty-eight".