2447478784 has 39 divisors (see below), whose sum is σ = 4900699873. Its totient is φ = 1222156288.

The previous prime is 2447478757. The next prime is 2447478793. The reversal of 2447478784 is 4878747442.

The square root of 2447478784 is 49472.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 155750400 + 2291728384 = 12480^2 + 47872^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3165822 + ... + 3166594.

Almost surely, 2^2447478784 is an apocalyptic number.

2447478784 is the 49472-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2447478784

2447478784 is an abundant number, since it is smaller than the sum of its proper divisors (2453221089).

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

2447478784 is an frugal number, since it uses more digits than its factorization.

2447478784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 775 counting only the distinct ones).

The product of its digits is 11239424, while the sum is 55.

The cubic root of 2447478784 is about 1347.6371625126.

The spelling of 2447478784 in words is "two billion, four hundred forty-seven million, four hundred seventy-eight thousand, seven hundred eighty-four".