478416361 has 2 divisors, whose sum is σ = 478416362. Its totient is φ = 478416360.

The previous prime is 478416317. The next prime is 478416403. The reversal of 478416361 is 163614874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400200025 + 78216336 = 20005^2 + 8844^2 .

It is a cyclic number.

It is not a de Polignac number, because 478416361 - 2⁹ = 478415849 is a prime.

It is not a weakly prime, because it can be changed into another prime (478416461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239208180 + 239208181.

It is an arithmetic number, because the mean of its divisors is an integer number (239208181).

Almost surely, 2^478416361 is an apocalyptic number.

It is an amenable number.

478416361 is a deficient number, since it is larger than the sum of its proper divisors (1).

478416361 is an equidigital number, since it uses as much as digits as its factorization.

478416361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 478416361 is about 21872.7309908937. The cubic root of 478416361 is about 782.1115049341. Note that the first 3 decimals are identical.

The spelling of 478416361 in words is "four hundred seventy-eight million, four hundred sixteen thousand, three hundred sixty-one".