8635473648 has 120 divisors (see below), whose sum is σ = 25258195872. Its totient is φ = 2748962304.

The previous prime is 8635473599. The next prime is 8635473703. The reversal of 8635473648 is 8463745368.

8635473648 is a `hidden beast` number, since 8 + 63 + 547 + 36 + 4 + 8 = 666.

8635473648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8635473594 and 8635473603.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2558490 + ... + 2561862.

Almost surely, 2^8635473648 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 8635473648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12629097936).

8635473648 is an abundant number, since it is smaller than the sum of its proper divisors (16622722224).

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

8635473648 is a wasteful number, since it uses less digits than its factorization.

8635473648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183 (or 4174 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The square root of 8635473648 is about 92927.2492221738. The cubic root of 8635473648 is about 2051.6127422597.

The spelling of 8635473648 in words is "eight billion, six hundred thirty-five million, four hundred seventy-three thousand, six hundred forty-eight".