4827784109 has 2 divisors, whose sum is σ = 4827784110. Its totient is φ = 4827784108.

The previous prime is 4827784099. The next prime is 4827784123. The reversal of 4827784109 is 9014877284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3066722884 + 1761061225 = 55378^2 + 41965^2 .

It is a cyclic number.

It is not a de Polignac number, because 4827784109 - 2²⁰ = 4826735533 is a prime.

It is a super-2 number, since 2×4827784109² = 46614998806225847762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4827784139) 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 as a sum of consecutive naturals, namely, 2413892054 + 2413892055.

It is an arithmetic number, because the mean of its divisors is an integer number (2413892055).

Almost surely, 2^4827784109 is an apocalyptic number.

It is an amenable number.

4827784109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4827784109 is an equidigital number, since it uses as much as digits as its factorization.

4827784109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 4827784109 is about 69482.2575122599. The cubic root of 4827784109 is about 1690.1137965925.

The spelling of 4827784109 in words is "four billion, eight hundred twenty-seven million, seven hundred eighty-four thousand, one hundred nine".