478163365 has 4 divisors (see below), whose sum is σ = 573796044. Its totient is φ = 382530688.

The previous prime is 478163363. The next prime is 478163381. The reversal of 478163365 is 563361874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326922561 + 151240804 = 18081^2 + 12298^2 .

It is a cyclic number.

It is not a de Polignac number, because 478163365 - 2¹ = 478163363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478163363) 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 in 3 ways as a sum of consecutive naturals, for example, 47816332 + ... + 47816341.

It is an arithmetic number, because the mean of its divisors is an integer number (143449011).

Almost surely, 2^478163365 is an apocalyptic number.

It is an amenable number.

478163365 is a deficient number, since it is larger than the sum of its proper divisors (95632679).

478163365 is an equidigital number, since it uses as much as digits as its factorization.

478163365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95632678.

The product of its digits is 362880, while the sum is 43.

The square root of 478163365 is about 21866.9468605016. The cubic root of 478163365 is about 781.9736152993.

The spelling of 478163365 in words is "four hundred seventy-eight million, one hundred sixty-three thousand, three hundred sixty-five".