478816498 has 8 divisors (see below), whose sum is σ = 720676908. Its totient is φ = 238590864.

The previous prime is 478816453. The next prime is 478816517. The reversal of 478816498 is 894618874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 461949049 + 16867449 = 21493^2 + 4107^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 407961 + ... + 409132.

Almost surely, 2^478816498 is an apocalyptic number.

478816498 is a deficient number, since it is larger than the sum of its proper divisors (241860410).

478816498 is a wasteful number, since it uses less digits than its factorization.

478816498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817388.

The product of its digits is 3096576, while the sum is 55.

The square root of 478816498 is about 21881.8760164662. The cubic root of 478816498 is about 782.3294911686.

The spelling of 478816498 in words is "four hundred seventy-eight million, eight hundred sixteen thousand, four hundred ninety-eight".