8753641648 has 20 divisors (see below), whose sum is σ = 17545015440. Its totient is φ = 4225895744.

The previous prime is 8753641643. The next prime is 8753641657. The reversal of 8753641648 is 8461463578.

It is a junction number, because it is equal to n+sod(n) for n = 8753641595 and 8753641604.

It is not an unprimeable number, because it can be changed into a prime (8753641643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9432340 + ... + 9433267.

It is an arithmetic number, because the mean of its divisors is an integer number (877250772).

Almost surely, 2^8753641648 is an apocalyptic number.

It is an amenable number.

8753641648 is an abundant number, since it is smaller than the sum of its proper divisors (8791373792).

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

8753641648 is a wasteful number, since it uses less digits than its factorization.

8753641648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865644 (or 18865638 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 8753641648 is about 93560.8980717907. The cubic root of 8753641648 is about 2060.9284820712.

The spelling of 8753641648 in words is "eight billion, seven hundred fifty-three million, six hundred forty-one thousand, six hundred forty-eight".