6478587822 has 24 divisors (see below), whose sum is σ = 15072633576. Its totient is φ = 1851025008.

The previous prime is 6478587821. The next prime is 6478587893. The reversal of 6478587822 is 2287858746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478587821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11017713 + ... + 11018300.

It is an arithmetic number, because the mean of its divisors is an integer number (628026399).

Almost surely, 2^6478587822 is an apocalyptic number.

6478587822 is an abundant number, since it is smaller than the sum of its proper divisors (8594045754).

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

6478587822 is a wasteful number, since it uses less digits than its factorization.

6478587822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22036032 (or 22036025 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 57.

The square root of 6478587822 is about 80489.6752509289. The cubic root of 6478587822 is about 1864.2040627026.

The spelling of 6478587822 in words is "six billion, four hundred seventy-eight million, five hundred eighty-seven thousand, eight hundred twenty-two".