8447422764456 has 48 divisors (see below), whose sum is σ = 24638316399060. Its totient is φ = 2599207004160.

The previous prime is 8447422764439. The next prime is 8447422764481. The reversal of 8447422764456 is 6544672247448.

8447422764456 is a `hidden beast` number, since 8 + 4 + 474 + 2 + 2 + 76 + 44 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8405534592900 + 41888171556 = 2899230^2 + 204666^2 .

It is a super-2 number, since 2×8447422764456² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8447422764393 and 8447422764402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4512511225 + ... + 4512513096.

Almost surely, 2^{8447422764456} is an apocalyptic number.

It is an amenable number.

8447422764456 is an abundant number, since it is smaller than the sum of its proper divisors (16190893634604).

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

8447422764456 is a wasteful number, since it uses less digits than its factorization.

8447422764456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025024346 (or 9025024339 counting only the distinct ones).

The product of its digits is 289013760, while the sum is 63.

The spelling of 8447422764456 in words is "eight trillion, four hundred forty-seven billion, four hundred twenty-two million, seven hundred sixty-four thousand, four hundred fifty-six".