478268459 has 2 divisors, whose sum is σ = 478268460. Its totient is φ = 478268458.

The previous prime is 478268447. The next prime is 478268471. The reversal of 478268459 is 954862874.

It is a balanced prime because it is at equal distance from previous prime (478268447) and next prime (478268471).

It is a cyclic number.

It is not a de Polignac number, because 478268459 - 2⁴ = 478268443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478268459.

It is not a weakly prime, because it can be changed into another prime (478268359) 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, 239134229 + 239134230.

It is an arithmetic number, because the mean of its divisors is an integer number (239134230).

Almost surely, 2^478268459 is an apocalyptic number.

478268459 is a deficient number, since it is larger than the sum of its proper divisors (1).

478268459 is an equidigital number, since it uses as much as digits as its factorization.

478268459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 53.

The square root of 478268459 is about 21869.3497617099. The cubic root of 478268459 is about 782.0309002644.

The spelling of 478268459 in words is "four hundred seventy-eight million, two hundred sixty-eight thousand, four hundred fifty-nine".