478902459 has 8 divisors (see below), whose sum is σ = 729756160. Its totient is φ = 273658536.

The previous prime is 478902451. The next prime is 478902511. The reversal of 478902459 is 954209874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478902459 - 2³ = 478902451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478902451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11402419 + ... + 11402460.

It is an arithmetic number, because the mean of its divisors is an integer number (91219520).

Almost surely, 2^478902459 is an apocalyptic number.

478902459 is a deficient number, since it is larger than the sum of its proper divisors (250853701).

478902459 is a wasteful number, since it uses less digits than its factorization.

478902459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22804889.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 478902459 is about 21883.8401337608. The cubic root of 478902459 is about 782.3763050674.

The spelling of 478902459 in words is "four hundred seventy-eight million, nine hundred two thousand, four hundred fifty-nine".