478851082 has 4 divisors (see below), whose sum is σ = 718276626. Its totient is φ = 239425540.

The previous prime is 478851071. The next prime is 478851089. The reversal of 478851082 is 280158874.

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., 262731681 + 216119401 = 16209^2 + 14701^2 .

It is not an unprimeable number, because it can be changed into a prime (478851089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119712769 + ... + 119712772.

Almost surely, 2^478851082 is an apocalyptic number.

478851082 is a deficient number, since it is larger than the sum of its proper divisors (239425544).

478851082 is a wasteful number, since it uses less digits than its factorization.

478851082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239425543.

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 478851082 is about 21882.6662452271. Note that the first 3 decimals coincide. The cubic root of 478851082 is about 782.3483261028.

The spelling of 478851082 in words is "four hundred seventy-eight million, eight hundred fifty-one thousand, eighty-two".