489677776984 has 32 divisors (see below), whose sum is σ = 1001738733840. Its totient is φ = 222553008000.

The previous prime is 489677776937. The next prime is 489677777009.

489677776984 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 489677776898 and 489677776907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369442 + ... + 1056334.

Almost surely, 2^489677776984 is an apocalyptic number.

489677776984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

489677776984 is an abundant number, since it is smaller than the sum of its proper divisors (512060956856).

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

489677776984 is a wasteful number, since it uses less digits than its factorization.

489677776984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695011 (or 695007 counting only the distinct ones).

The product of its digits is 7169347584, while the sum is 82.

The spelling of 489677776984 in words is "four hundred eighty-nine billion, six hundred seventy-seven million, seven hundred seventy-six thousand, nine hundred eighty-four".