8425585872 has 160 divisors (see below), whose sum is σ = 27772032000. Its totient is φ = 2418802560.

The previous prime is 8425585843. The next prime is 8425585873. The reversal of 8425585872 is 2785855248.

8425585872 is a `hidden beast` number, since 8 + 4 + 2 + 5 + 58 + 587 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425585873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43629 + ... + 136947.

It is an arithmetic number, because the mean of its divisors is an integer number (173575200).

Almost surely, 2^8425585872 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 8425585872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13886016000).

8425585872 is an abundant number, since it is smaller than the sum of its proper divisors (19346446128).

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

8425585872 is a wasteful number, since it uses less digits than its factorization.

8425585872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93366 (or 93354 counting only the distinct ones).

The product of its digits is 7168000, while the sum is 54.

The square root of 8425585872 is about 91790.9901460922. The cubic root of 8425585872 is about 2034.8545412555.

The spelling of 8425585872 in words is "eight billion, four hundred twenty-five million, five hundred eighty-five thousand, eight hundred seventy-two".