6478568859 has 12 divisors (see below), whose sum is σ = 10048392744. Its totient is φ = 3702039264.

The previous prime is 6478568849. The next prime is 6478568891. The reversal of 6478568859 is 9588658746.

It is not a de Polignac number, because 6478568859 - 2⁹ = 6478568347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6478568859.

It is not an unprimeable number, because it can be changed into a prime (6478568849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22035802 + ... + 22036095.

It is an arithmetic number, because the mean of its divisors is an integer number (837366062).

Almost surely, 2^6478568859 is an apocalyptic number.

6478568859 is a deficient number, since it is larger than the sum of its proper divisors (3569823885).

6478568859 is a wasteful number, since it uses less digits than its factorization.

6478568859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44071914 (or 44071907 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 66.

The square root of 6478568859 is about 80489.5574531256. The cubic root of 6478568859 is about 1864.2022438424.

The spelling of 6478568859 in words is "six billion, four hundred seventy-eight million, five hundred sixty-eight thousand, eight hundred fifty-nine".