478986659 has 2 divisors, whose sum is σ = 478986660. Its totient is φ = 478986658.

The previous prime is 478986617. The next prime is 478986667. The reversal of 478986659 is 956689874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478986659 - 2²⁴ = 462209443 is a prime.

It is not a weakly prime, because it can be changed into another prime (478986059) 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, 239493329 + 239493330.

It is an arithmetic number, because the mean of its divisors is an integer number (239493330).

Almost surely, 2^478986659 is an apocalyptic number.

478986659 is a deficient number, since it is larger than the sum of its proper divisors (1).

478986659 is an equidigital number, since it uses as much as digits as its factorization.

478986659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 62.

The square root of 478986659 is about 21885.7638431927. The cubic root of 478986659 is about 782.4221545046.

The spelling of 478986659 in words is "four hundred seventy-eight million, nine hundred eighty-six thousand, six hundred fifty-nine".