478838336113 has 2 divisors, whose sum is σ = 478838336114. Its totient is φ = 478838336112.

The previous prime is 478838336101. The next prime is 478838336189. The reversal of 478838336113 is 311633838874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466465778289 + 12372557824 = 682983^2 + 111232^2 .

It is a cyclic number.

It is not a de Polignac number, because 478838336113 - 2³³ = 470248401521 is a prime.

It is not a weakly prime, because it can be changed into another prime (478838334113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239419168056 + 239419168057.

It is an arithmetic number, because the mean of its divisors is an integer number (239419168057).

Almost surely, 2^478838336113 is an apocalyptic number.

It is an amenable number.

478838336113 is a deficient number, since it is larger than the sum of its proper divisors (1).

478838336113 is an equidigital number, since it uses as much as digits as its factorization.

478838336113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 55.

The spelling of 478838336113 in words is "four hundred seventy-eight billion, eight hundred thirty-eight million, three hundred thirty-six thousand, one hundred thirteen".