8543851648 has 32 divisors (see below), whose sum is σ = 17186232960. Its totient is φ = 4230444288.

The previous prime is 8543851583. The next prime is 8543851661. The reversal of 8543851648 is 8461583458.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 8543851595 and 8543851604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310840 + ... + 337207.

It is an arithmetic number, because the mean of its divisors is an integer number (537069780).

Almost surely, 2^8543851648 is an apocalyptic number.

It is an amenable number.

8543851648 is an abundant number, since it is smaller than the sum of its proper divisors (8642381312).

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

8543851648 is a wasteful number, since it uses less digits than its factorization.

8543851648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648164 (or 648152 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The square root of 8543851648 is about 92432.9575854846. The cubic root of 8543851648 is about 2044.3310878688.

The spelling of 8543851648 in words is "eight billion, five hundred forty-three million, eight hundred fifty-one thousand, six hundred forty-eight".