8525569848 has 64 divisors (see below), whose sum is σ = 21890887200. Its totient is φ = 2765291520.

The previous prime is 8525569831. The next prime is 8525569849. The reversal of 8525569848 is 8489655258.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8525569791 and 8525569800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8525569849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371640 + ... + 393912.

Almost surely, 2^8525569848 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 8525569848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10945443600).

8525569848 is an abundant number, since it is smaller than the sum of its proper divisors (13365317352).

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

8525569848 is a wasteful number, since it uses less digits than its factorization.

8525569848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22712 (or 22708 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 60.

The square root of 8525569848 is about 92334.0124114619. The cubic root of 8525569848 is about 2042.8719200159.

The spelling of 8525569848 in words is "eight billion, five hundred twenty-five million, five hundred sixty-nine thousand, eight hundred forty-eight".