8481648447 has 6 divisors (see below), whose sum is σ = 12251269992. Its totient is φ = 5654432292.

The previous prime is 8481648433. The next prime is 8481648463. The reversal of 8481648447 is 7448461848.

8481648447 is a `hidden beast` number, since 84 + 81 + 6 + 48 + 447 = 666.

It is not a de Polignac number, because 8481648447 - 2²⁴ = 8464871231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8481648393 and 8481648402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481643447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471202683 + ... + 471202700.

It is an arithmetic number, because the mean of its divisors is an integer number (2041878332).

Almost surely, 2^8481648447 is an apocalyptic number.

8481648447 is a deficient number, since it is larger than the sum of its proper divisors (3769621545).

8481648447 is a wasteful number, since it uses less digits than its factorization.

8481648447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942405389 (or 942405386 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 54.

The square root of 8481648447 is about 92095.8655260919. The cubic root of 8481648447 is about 2039.3577728947.

The spelling of 8481648447 in words is "eight billion, four hundred eighty-one million, six hundred forty-eight thousand, four hundred forty-seven".