478178273 has 8 divisors (see below), whose sum is σ = 481531680. Its totient is φ = 474832800.

The previous prime is 478178237. The next prime is 478178279. The reversal of 478178273 is 372871874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478178273 - 2¹⁸ = 477916129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478178279) 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 7 ways as a sum of consecutive naturals, for example, 166298 + ... + 169148.

It is an arithmetic number, because the mean of its divisors is an integer number (60191460).

Almost surely, 2^478178273 is an apocalyptic number.

It is an amenable number.

478178273 is a deficient number, since it is larger than the sum of its proper divisors (3353407).

478178273 is a wasteful number, since it uses less digits than its factorization.

478178273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its digits is 526848, while the sum is 47.

The square root of 478178273 is about 21867.2877376231. The cubic root of 478178273 is about 781.9817419093.

The spelling of 478178273 in words is "four hundred seventy-eight million, one hundred seventy-eight thousand, two hundred seventy-three".