489528178 has 16 divisors (see below), whose sum is σ = 761065560. Its totient is φ = 235872000.

The previous prime is 489528163. The next prime is 489528181. The reversal of 489528178 is 871825984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 477116649 + 12411529 = 21843^2 + 3523^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23578 + ... + 39178.

Almost surely, 2^489528178 is an apocalyptic number.

489528178 is a deficient number, since it is larger than the sum of its proper divisors (271537382).

489528178 is a wasteful number, since it uses less digits than its factorization.

489528178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16173.

The product of its digits is 1290240, while the sum is 52.

The square root of 489528178 is about 22125.2836817972. The cubic root of 489528178 is about 788.1203928929.

The spelling of 489528178 in words is "four hundred eighty-nine million, five hundred twenty-eight thousand, one hundred seventy-eight".