486378666 has 12 divisors (see below), whose sum is σ = 1053820482. Its totient is φ = 162126216.

The previous prime is 486378637. The next prime is 486378667. The reversal of 486378666 is 666873684.

It can be written as a sum of positive squares in only one way, i.e., 469805625 + 16573041 = 21675^2 + 4071^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (486378667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13510501 + ... + 13510536.

Almost surely, 2^486378666 is an apocalyptic number.

486378666 is an abundant number, since it is smaller than the sum of its proper divisors (567441816).

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

486378666 is a wasteful number, since it uses less digits than its factorization.

486378666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021045 (or 27021042 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 486378666 is about 22053.9943320932. The cubic root of 486378666 is about 786.4265598334.

The spelling of 486378666 in words is "four hundred eighty-six million, three hundred seventy-eight thousand, six hundred sixty-six".