4478078708813 has 2 divisors, whose sum is σ = 4478078708814. Its totient is φ = 4478078708812.

The previous prime is 4478078708737. The next prime is 4478078708821. The reversal of 4478078708813 is 3188078708744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003160759369 + 1474917949444 = 1732963^2 + 1214462^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478078708813 - 2¹⁰ = 4478078707789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4478078708813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478078708513) 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, 2239039354406 + 2239039354407.

It is an arithmetic number, because the mean of its divisors is an integer number (2239039354407).

Almost surely, 2^{4478078708813} is an apocalyptic number.

It is an amenable number.

4478078708813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478078708813 is an equidigital number, since it uses as much as digits as its factorization.

4478078708813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67436544, while the sum is 65.

The spelling of 4478078708813 in words is "four trillion, four hundred seventy-eight billion, seventy-eight million, seven hundred eight thousand, eight hundred thirteen".