8256448473 has 32 divisors (see below), whose sum is σ = 13599532800. Its totient is φ = 4338821376.

The previous prime is 8256448471. The next prime is 8256448477. The reversal of 8256448473 is 3748446528.

It is not a de Polignac number, because 8256448473 - 2¹ = 8256448471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8256448471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17223 + ... + 129651.

It is an arithmetic number, because the mean of its divisors is an integer number (424985400).

Almost surely, 2^8256448473 is an apocalyptic number.

It is an amenable number.

8256448473 is a deficient number, since it is larger than the sum of its proper divisors (5343084327).

8256448473 is a wasteful number, since it uses less digits than its factorization.

8256448473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112721.

The product of its digits is 5160960, while the sum is 51.

The square root of 8256448473 is about 90865.0013646619. The cubic root of 8256448473 is about 2021.1463343589.

The spelling of 8256448473 in words is "eight billion, two hundred fifty-six million, four hundred forty-eight thousand, four hundred seventy-three".