478975466 has 4 divisors (see below), whose sum is σ = 718463202. Its totient is φ = 239487732.

The previous prime is 478975457. The next prime is 478975531. The reversal of 478975466 is 664579874.

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

It can be written as a sum of positive squares in only one way, i.e., 431434441 + 47541025 = 20771^2 + 6895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119743865 + ... + 119743868.

Almost surely, 2^478975466 is an apocalyptic number.

478975466 is a deficient number, since it is larger than the sum of its proper divisors (239487736).

478975466 is a wasteful number, since it uses less digits than its factorization.

478975466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239487735.

The product of its digits is 10160640, while the sum is 56.

The square root of 478975466 is about 21885.5081275258. The cubic root of 478975466 is about 782.4160598885.

The spelling of 478975466 in words is "four hundred seventy-eight million, nine hundred seventy-five thousand, four hundred sixty-six".