489877089 has 12 divisors (see below), whose sum is σ = 707278896. Its totient is φ = 301462512.

The previous prime is 489877081. The next prime is 489877127. The reversal of 489877089 is 980778984.

It is not a de Polignac number, because 489877089 - 2³ = 489877081 is a prime.

It is a super-2 number, since 2×489877089² = 479959124654227842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489877081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482607 + ... + 483620.

It is an arithmetic number, because the mean of its divisors is an integer number (58939908).

Almost surely, 2^489877089 is an apocalyptic number.

It is an amenable number.

489877089 is a deficient number, since it is larger than the sum of its proper divisors (217401807).

489877089 is a wasteful number, since it uses less digits than its factorization.

489877089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966256 (or 966243 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The square root of 489877089 is about 22133.1671705610. The cubic root of 489877089 is about 788.3075925823.

The spelling of 489877089 in words is "four hundred eighty-nine million, eight hundred seventy-seven thousand, eighty-nine".