8447264282 has 8 divisors (see below), whose sum is σ = 12672269652. Its totient is φ = 4223174400.

The previous prime is 8447264261. The next prime is 8447264299. The reversal of 8447264282 is 2824627448.

It is a Cunningham number, because it is equal to 91909²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 8447264281 + 1 = 91909^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205319 + ... + 243002.

Almost surely, 2^8447264282 is an apocalyptic number.

8447264282 is a deficient number, since it is larger than the sum of its proper divisors (4225005370).

8447264282 is a wasteful number, since it uses less digits than its factorization.

8447264282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457744.

The product of its digits is 1376256, while the sum is 47.

The square root of 8447264282 is about 91909.0000054402. Note that the first 5 decimals coincide. The cubic root of 8447264282 is about 2036.5982234568.

The spelling of 8447264282 in words is "eight billion, four hundred forty-seven million, two hundred sixty-four thousand, two hundred eighty-two".