478677361 has 2 divisors, whose sum is σ = 478677362. Its totient is φ = 478677360.

The previous prime is 478677349. The next prime is 478677389. The reversal of 478677361 is 163776874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466560000 + 12117361 = 21600^2 + 3481^2 .

It is a cyclic number.

It is not a de Polignac number, because 478677361 - 2²⁵ = 445122929 is a prime.

It is not a weakly prime, because it can be changed into another prime (478677301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239338680 + 239338681.

It is an arithmetic number, because the mean of its divisors is an integer number (239338681).

Almost surely, 2^478677361 is an apocalyptic number.

It is an amenable number.

478677361 is a deficient number, since it is larger than the sum of its proper divisors (1).

478677361 is an equidigital number, since it uses as much as digits as its factorization.

478677361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 49.

The square root of 478677361 is about 21878.6965105328. The cubic root of 478677361 is about 782.2537060302.

The spelling of 478677361 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, three hundred sixty-one".