478715843 has 2 divisors, whose sum is σ = 478715844. Its totient is φ = 478715842.

The previous prime is 478715833. The next prime is 478715873. The reversal of 478715843 is 348517874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478715843 - 2⁴ = 478715827 is a prime.

It is not a weakly prime, because it can be changed into another prime (478715833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239357921 + 239357922.

It is an arithmetic number, because the mean of its divisors is an integer number (239357922).

Almost surely, 2^478715843 is an apocalyptic number.

478715843 is a deficient number, since it is larger than the sum of its proper divisors (1).

478715843 is an equidigital number, since it uses as much as digits as its factorization.

478715843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 478715843 is about 21879.5759328192. The cubic root of 478715843 is about 782.2746678742.

The spelling of 478715843 in words is "four hundred seventy-eight million, seven hundred fifteen thousand, eight hundred forty-three".