8848685521 has 12 divisors (see below), whose sum is σ = 10122881692. Its totient is φ = 7687542528.

The previous prime is 8848685519. The next prime is 8848685551. The reversal of 8848685521 is 1255868488.

8848685521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 633075921 + 8215609600 = 25161^2 + 90640^2 .

It is not a de Polignac number, because 8848685521 - 2¹ = 8848685519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8848685551) 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 11 ways as a sum of consecutive naturals, for example, 1173870 + ... + 1181383.

Almost surely, 2^8848685521 is an apocalyptic number.

It is an amenable number.

8848685521 is a deficient number, since it is larger than the sum of its proper divisors (1274196171).

8848685521 is a wasteful number, since it uses less digits than its factorization.

8848685521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355300 (or 2355283 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 55.

The square root of 8848685521 is about 94067.4519746336. The cubic root of 8848685521 is about 2068.3605867846.

The spelling of 8848685521 in words is "eight billion, eight hundred forty-eight million, six hundred eighty-five thousand, five hundred twenty-one".