478338011 has 2 divisors, whose sum is σ = 478338012. Its totient is φ = 478338010.

The previous prime is 478337987. The next prime is 478338017. The reversal of 478338011 is 110833874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478338011 - 2¹⁰ = 478336987 is a prime.

It is a super-2 number, since 2×478338011² = 457614505534872242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (478338017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239169005 + 239169006.

It is an arithmetic number, because the mean of its divisors is an integer number (239169006).

Almost surely, 2^478338011 is an apocalyptic number.

478338011 is a deficient number, since it is larger than the sum of its proper divisors (1).

478338011 is an equidigital number, since it uses as much as digits as its factorization.

478338011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 478338011 is about 21870.9398746373. The cubic root of 478338011 is about 782.0688072709.

The spelling of 478338011 in words is "four hundred seventy-eight million, three hundred thirty-eight thousand, eleven".