489678876988 has 48 divisors (see below), whose sum is σ = 1022031489024. Its totient is φ = 200719664640.

The previous prime is 489678876959. The next prime is 489678876989. The reversal of 489678876988 is 889678876984.

It is a junction number, because it is equal to n+sod(n) for n = 489678876899 and 489678876908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489678876989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8802156 + ... + 8857612.

It is an arithmetic number, because the mean of its divisors is an integer number (21292322688).

Almost surely, 2^489678876988 is an apocalyptic number.

It is an amenable number.

489678876988 is an abundant number, since it is smaller than the sum of its proper divisors (532352612036).

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

489678876988 is a wasteful number, since it uses less digits than its factorization.

489678876988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69202 (or 69200 counting only the distinct ones).

The product of its digits is 18728091648, while the sum is 88.

The spelling of 489678876988 in words is "four hundred eighty-nine billion, six hundred seventy-eight million, eight hundred seventy-six thousand, nine hundred eighty-eight".