478353331 has 2 divisors, whose sum is σ = 478353332. Its totient is φ = 478353330.

The previous prime is 478353311. The next prime is 478353397. The reversal of 478353331 is 133353874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478353331 - 2⁷ = 478353203 is a prime.

It is a super-2 number, since 2×478353331² = 457643818557591122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (478353311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239176665 + 239176666.

It is an arithmetic number, because the mean of its divisors is an integer number (239176666).

Almost surely, 2^478353331 is an apocalyptic number.

478353331 is a deficient number, since it is larger than the sum of its proper divisors (1).

478353331 is an equidigital number, since it uses as much as digits as its factorization.

478353331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 478353331 is about 21871.2901082675. The cubic root of 478353331 is about 782.0771564341.

The spelling of 478353331 in words is "four hundred seventy-eight million, three hundred fifty-three thousand, three hundred thirty-one".