478851143 has 2 divisors, whose sum is σ = 478851144. Its totient is φ = 478851142.

The previous prime is 478851133. The next prime is 478851179. The reversal of 478851143 is 341158874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478851143 - 2⁴ = 478851127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478851143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478851133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239425571 + 239425572.

It is an arithmetic number, because the mean of its divisors is an integer number (239425572).

Almost surely, 2^478851143 is an apocalyptic number.

478851143 is a deficient number, since it is larger than the sum of its proper divisors (1).

478851143 is an equidigital number, since it uses as much as digits as its factorization.

478851143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The square root of 478851143 is about 21882.6676390243. The cubic root of 478851143 is about 782.3483593234.

The spelling of 478851143 in words is "four hundred seventy-eight million, eight hundred fifty-one thousand, one hundred forty-three".