486631278 has 24 divisors (see below), whose sum is σ = 1204992048. Its totient is φ = 139037472.

The previous prime is 486631207. The next prime is 486631283. The reversal of 486631278 is 872136684.

486631278 is a `hidden beast` number, since 4 + 8 + 6 + 631 + 2 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930951 + ... + 1931202.

It is an arithmetic number, because the mean of its divisors is an integer number (50208002).

Almost surely, 2^486631278 is an apocalyptic number.

486631278 is an abundant number, since it is smaller than the sum of its proper divisors (718360770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486631278 is a wasteful number, since it uses less digits than its factorization.

486631278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862168 (or 3862165 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 486631278 is about 22059.7207144606. The cubic root of 486631278 is about 786.5626858719.

The spelling of 486631278 in words is "four hundred eighty-six million, six hundred thirty-one thousand, two hundred seventy-eight".