478338347 has 2 divisors, whose sum is σ = 478338348. Its totient is φ = 478338346.

The previous prime is 478338269. The next prime is 478338373. The reversal of 478338347 is 743833874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478338347 - 2¹⁶ = 478272811 is a prime.

It is not a weakly prime, because it can be changed into another prime (478338397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239169173 + 239169174.

It is an arithmetic number, because the mean of its divisors is an integer number (239169174).

Almost surely, 2^478338347 is an apocalyptic number.

478338347 is a deficient number, since it is larger than the sum of its proper divisors (1).

478338347 is an equidigital number, since it uses as much as digits as its factorization.

478338347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 47.

The square root of 478338347 is about 21870.9475560617. The cubic root of 478338347 is about 782.0689903877.

The spelling of 478338347 in words is "four hundred seventy-eight million, three hundred thirty-eight thousand, three hundred forty-seven".