486571478 has 4 divisors (see below), whose sum is σ = 729857220. Its totient is φ = 243285738.

The previous prime is 486571471. The next prime is 486571493. The reversal of 486571478 is 874175684.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486571471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121642868 + ... + 121642871.

It is an arithmetic number, because the mean of its divisors is an integer number (182464305).

Almost surely, 2^486571478 is an apocalyptic number.

486571478 is a deficient number, since it is larger than the sum of its proper divisors (243285742).

486571478 is a wasteful number, since it uses less digits than its factorization.

486571478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243285741.

The product of its digits is 1505280, while the sum is 50.

The square root of 486571478 is about 22058.3652612790. The cubic root of 486571478 is about 786.5304654636.

The spelling of 486571478 in words is "four hundred eighty-six million, five hundred seventy-one thousand, four hundred seventy-eight".