872784984 has 32 divisors (see below), whose sum is σ = 2182889520. Its totient is φ = 290804736.

The previous prime is 872784953. The next prime is 872784989. The reversal of 872784984 is 489487278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872784989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63252 + ... + 75804.

Almost surely, 2^872784984 is an apocalyptic number.

It is an amenable number.

872784984 is an abundant number, since it is smaller than the sum of its proper divisors (1310104536).

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

872784984 is a wasteful number, since it uses less digits than its factorization.

872784984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459 (or 15455 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 57.

The square root of 872784984 is about 29542.9345868010. The cubic root of 872784984 is about 955.6578287945.

The spelling of 872784984 in words is "eight hundred seventy-two million, seven hundred eighty-four thousand, nine hundred eighty-four".