478208371 has 4 divisors (see below), whose sum is σ = 478268632. Its totient is φ = 478148112.

The previous prime is 478208369. The next prime is 478208383. The reversal of 478208371 is 173802874.

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

It is a cyclic number.

It is not a de Polignac number, because 478208371 - 2¹ = 478208369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478208671) 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 in 3 ways as a sum of consecutive naturals, for example, 16026 + ... + 34831.

It is an arithmetic number, because the mean of its divisors is an integer number (119567158).

Almost surely, 2^478208371 is an apocalyptic number.

478208371 is a deficient number, since it is larger than the sum of its proper divisors (60261).

478208371 is an equidigital number, since it uses as much as digits as its factorization.

478208371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60260.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 478208371 is about 21867.9759237109. The cubic root of 478208371 is about 781.9981483376.

It can be divided in two parts, 478 and 208371, that added together give a square (208849 = 457²).

The spelling of 478208371 in words is "four hundred seventy-eight million, two hundred eight thousand, three hundred seventy-one".