4778484143 has 2 divisors, whose sum is σ = 4778484144. Its totient is φ = 4778484142.

The previous prime is 4778484107. The next prime is 4778484167. The reversal of 4778484143 is 3414848774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4778484143 - 2⁶ = 4778484079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4778484091 and 4778484100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778484643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389242071 + 2389242072.

It is an arithmetic number, because the mean of its divisors is an integer number (2389242072).

Almost surely, 2^4778484143 is an apocalyptic number.

4778484143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778484143 is an equidigital number, since it uses as much as digits as its factorization.

4778484143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 50.

The square root of 4778484143 is about 69126.5805822912. The cubic root of 4778484143 is about 1684.3411140664.

The spelling of 4778484143 in words is "four billion, seven hundred seventy-eight million, four hundred eighty-four thousand, one hundred forty-three".