489775671 has 24 divisors (see below), whose sum is σ = 882021504. Its totient is φ = 254428560.

The previous prime is 489775669. The next prime is 489775681. The reversal of 489775671 is 176577984.

489775671 is a `hidden beast` number, since 4 + 8 + 9 + 77 + 567 + 1 = 666.

It is not a de Polignac number, because 489775671 - 2¹ = 489775669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489775621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352681 + ... + 354066.

It is an arithmetic number, because the mean of its divisors is an integer number (36750896).

Almost surely, 2^489775671 is an apocalyptic number.

489775671 is a deficient number, since it is larger than the sum of its proper divisors (392245833).

489775671 is a wasteful number, since it uses less digits than its factorization.

489775671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706771 (or 706768 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 489775671 is about 22130.8759654922. The cubic root of 489775671 is about 788.2531883933.

The spelling of 489775671 in words is "four hundred eighty-nine million, seven hundred seventy-five thousand, six hundred seventy-one".