4778684047 has 2 divisors, whose sum is σ = 4778684048. Its totient is φ = 4778684046.

The previous prime is 4778684011. The next prime is 4778684083. The reversal of 4778684047 is 7404868774.

It is a balanced prime because it is at equal distance from previous prime (4778684011) and next prime (4778684083).

It is a cyclic number.

It is not a de Polignac number, because 4778684047 - 2³¹ = 2631200399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778684147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389342023 + 2389342024.

It is an arithmetic number, because the mean of its divisors is an integer number (2389342024).

Almost surely, 2^4778684047 is an apocalyptic number.

4778684047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778684047 is an equidigital number, since it uses as much as digits as its factorization.

4778684047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8429568, while the sum is 55.

The square root of 4778684047 is about 69128.0264943243. The cubic root of 4778684047 is about 1684.3646014193.

The spelling of 4778684047 in words is "four billion, seven hundred seventy-eight million, six hundred eighty-four thousand, forty-seven".