4847784221 has 16 divisors (see below), whose sum is σ = 5862647808. Its totient is φ = 3918591600.

The previous prime is 4847784211. The next prime is 4847784259. The reversal of 4847784221 is 1224877484.

It is not a de Polignac number, because 4847784221 - 2¹⁸ = 4847522077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4847784211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200615 + ... + 223476.

It is an arithmetic number, because the mean of its divisors is an integer number (366415488).

Almost surely, 2^4847784221 is an apocalyptic number.

It is an amenable number.

4847784221 is a deficient number, since it is larger than the sum of its proper divisors (1014863587).

4847784221 is a wasteful number, since it uses less digits than its factorization.

4847784221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424192.

The product of its digits is 802816, while the sum is 47.

The square root of 4847784221 is about 69626.0312024174. The cubic root of 4847784221 is about 1692.4444651873. Note that the first 4 decimals are identical.

The spelling of 4847784221 in words is "four billion, eight hundred forty-seven million, seven hundred eighty-four thousand, two hundred twenty-one".