489678876984 has 64 divisors (see below), whose sum is σ = 1344450960000. Its totient is φ = 147391637120.

The previous prime is 489678876959. The next prime is 489678876989.

489678876984 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×489678876984² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 489678876897 and 489678876906.

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, 6184974 + ... + 6263645.

It is an arithmetic number, because the mean of its divisors is an integer number (21007046250).

Almost surely, 2^489678876984 is an apocalyptic number.

489678876984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

489678876984 is an abundant number, since it is smaller than the sum of its proper divisors (854772083016).

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

489678876984 is a wasteful number, since it uses less digits than its factorization.

489678876984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12448788 (or 12448784 counting only the distinct ones).

The product of its digits is 9364045824, while the sum is 84.

The spelling of 489678876984 in words is "four hundred eighty-nine billion, six hundred seventy-eight million, eight hundred seventy-six thousand, nine hundred eighty-four".