8479647868 has 48 divisors (see below), whose sum is σ = 15634612224. Its totient is φ = 4018547520.

The previous prime is 8479647863. The next prime is 8479647871. The reversal of 8479647868 is 8687469748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8479647863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143171 + ... + 7144357.

It is an arithmetic number, because the mean of its divisors is an integer number (325721088).

Almost surely, 2^8479647868 is an apocalyptic number.

It is an amenable number.

8479647868 is a deficient number, since it is larger than the sum of its proper divisors (7154964356).

8479647868 is a wasteful number, since it uses less digits than its factorization.

8479647868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2360 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 67.

The square root of 8479647868 is about 92085.0034913395. The cubic root of 8479647868 is about 2039.1974181721.

The spelling of 8479647868 in words is "eight billion, four hundred seventy-nine million, six hundred forty-seven thousand, eight hundred sixty-eight".