478161874 has 8 divisors (see below), whose sum is σ = 718017660. Its totient is φ = 238822656.

The previous prime is 478161863. The next prime is 478161883.

478161874 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 310640625 + 167521249 = 17625^2 + 12943^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126819 + ... + 130534.

Almost surely, 2^478161874 is an apocalyptic number.

478161874 is a deficient number, since it is larger than the sum of its proper divisors (239855786).

478161874 is a wasteful number, since it uses less digits than its factorization.

478161874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258284.

The product of its digits is 301056, while the sum is 46.

The square root of 478161874 is about 21866.9127679241. The cubic root of 478161874 is about 781.9728025200.

The spelling of 478161874 in words is "four hundred seventy-eight million, one hundred sixty-one thousand, eight hundred seventy-four".