478988498 has 8 divisors (see below), whose sum is σ = 760746492. Its totient is φ = 225406336.

The previous prime is 478988479. The next prime is 478988513. The reversal of 478988498 is 894889874.

It can be written as a sum of positive squares in 2 ways, for example, as 446350129 + 32638369 = 21127^2 + 5713^2 .

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, 7043915 + ... + 7043982.

Almost surely, 2^478988498 is an apocalyptic number.

478988498 is a deficient number, since it is larger than the sum of its proper divisors (281757994).

478988498 is a wasteful number, since it uses less digits than its factorization.

478988498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14087916.

The product of its digits is 37158912, while the sum is 65.

The square root of 478988498 is about 21885.8058567648. The cubic root of 478988498 is about 782.4231558355.

The spelling of 478988498 in words is "four hundred seventy-eight million, nine hundred eighty-eight thousand, four hundred ninety-eight".