5447128863 has 16 divisors (see below), whose sum is σ = 8137236096. Its totient is φ = 3212065440.

The previous prime is 5447128861. The next prime is 5447128889. The reversal of 5447128863 is 3688217445.

It is not a de Polignac number, because 5447128863 - 2¹ = 5447128861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5447128861) 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 15 ways as a sum of consecutive naturals, for example, 2229381 + ... + 2231822.

It is an arithmetic number, because the mean of its divisors is an integer number (508577256).

Almost surely, 2^5447128863 is an apocalyptic number.

5447128863 is a deficient number, since it is larger than the sum of its proper divisors (2690107233).

5447128863 is a wasteful number, since it uses less digits than its factorization.

5447128863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461254.

The product of its digits is 1290240, while the sum is 48.

The square root of 5447128863 is about 73804.6669459324. Note that the first 3 decimals coincide. The cubic root of 5447128863 is about 1759.4997785334.

The spelling of 5447128863 in words is "five billion, four hundred forty-seven million, one hundred twenty-eight thousand, eight hundred sixty-three".