8255822847 has 4 divisors (see below), whose sum is σ = 11007763800. Its totient is φ = 5503881896.

The previous prime is 8255822819. The next prime is 8255822849. The reversal of 8255822847 is 7482285528.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8255822847 - 2¹⁹ = 8255298559 is a prime.

It is a super-2 number, since 2×8255822847² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8255822847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255822849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375970472 + ... + 1375970477.

It is an arithmetic number, because the mean of its divisors is an integer number (2751940950).

Almost surely, 2^8255822847 is an apocalyptic number.

8255822847 is a deficient number, since it is larger than the sum of its proper divisors (2751940953).

8255822847 is a wasteful number, since it uses less digits than its factorization.

8255822847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751940952.

The product of its digits is 2867200, while the sum is 51.

The square root of 8255822847 is about 90861.5586868286. The cubic root of 8255822847 is about 2021.0952828024.

The spelling of 8255822847 in words is "eight billion, two hundred fifty-five million, eight hundred twenty-two thousand, eight hundred forty-seven".