478700459 has 4 divisors (see below), whose sum is σ = 503895240. Its totient is φ = 453505680.

The previous prime is 478700441. The next prime is 478700471. The reversal of 478700459 is 954007874.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 478700459 - 2⁸ = 478700203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478700429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12597362 + ... + 12597399.

It is an arithmetic number, because the mean of its divisors is an integer number (125973810).

Almost surely, 2^478700459 is an apocalyptic number.

478700459 is a deficient number, since it is larger than the sum of its proper divisors (25194781).

478700459 is a wasteful number, since it uses less digits than its factorization.

478700459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25194780.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 478700459 is about 21879.2243692504. The cubic root of 478700459 is about 782.2662880649.

The spelling of 478700459 in words is "four hundred seventy-eight million, seven hundred thousand, four hundred fifty-nine".