8447394956283 has 48 divisors (see below), whose sum is σ = 12640756617216. Its totient is φ = 5430332396160.

The previous prime is 8447394956261. The next prime is 8447394956309. The reversal of 8447394956283 is 3826594937448.

8447394956283 is a `hidden beast` number, since 8 + 4 + 4 + 73 + 9 + 495 + 62 + 8 + 3 = 666.

It is not a de Polignac number, because 8447394956283 - 2¹² = 8447394952187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8447394956383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119047591 + ... + 119118527.

It is an arithmetic number, because the mean of its divisors is an integer number (263349096192).

Almost surely, 2^{8447394956283} is an apocalyptic number.

8447394956283 is a deficient number, since it is larger than the sum of its proper divisors (4193361660933).

8447394956283 is a wasteful number, since it uses less digits than its factorization.

8447394956283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72504 (or 72501 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 72.

The spelling of 8447394956283 in words is "eight trillion, four hundred forty-seven billion, three hundred ninety-four million, nine hundred fifty-six thousand, two hundred eighty-three".