8585253844 has 24 divisors (see below), whose sum is σ = 16456524840. Its totient is φ = 3900804096.

The previous prime is 8585253823. The next prime is 8585253851. The reversal of 8585253844 is 4483525858.

It can be written as a sum of positive squares in 4 ways, for example, as 3253333444 + 5331920400 = 57038^2 + 73020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8585253791 and 8585253800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174817 + ... + 2178760.

It is an arithmetic number, because the mean of its divisors is an integer number (685688535).

Almost surely, 2^8585253844 is an apocalyptic number.

It is an amenable number.

8585253844 is a deficient number, since it is larger than the sum of its proper divisors (7871270996).

8585253844 is a wasteful number, since it uses less digits than its factorization.

8585253844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353627 (or 4353625 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 52.

The square root of 8585253844 is about 92656.6448993271. The cubic root of 8585253844 is about 2047.6279399829.

The spelling of 8585253844 in words is "eight billion, five hundred eighty-five million, two hundred fifty-three thousand, eight hundred forty-four".