489108879 has 48 divisors (see below), whose sum is σ = 826775040. Its totient is φ = 272859840.

The previous prime is 489108871. The next prime is 489108889. The reversal of 489108879 is 978801984.

489108879 is a `hidden beast` number, since 489 + 10 + 88 + 79 = 666.

It is not a de Polignac number, because 489108879 - 2³ = 489108871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489108871) 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 47 ways as a sum of consecutive naturals, for example, 672414 + ... + 673140.

It is an arithmetic number, because the mean of its divisors is an integer number (17224480).

Almost surely, 2^489108879 is an apocalyptic number.

489108879 is a deficient number, since it is larger than the sum of its proper divisors (337666161).

489108879 is a wasteful number, since it uses less digits than its factorization.

489108879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 489108879 is about 22115.8060897630. The cubic root of 489108879 is about 787.8953105229.

The spelling of 489108879 in words is "four hundred eighty-nine million, one hundred eight thousand, eight hundred seventy-nine".