8784409980 has 96 divisors (see below), whose sum is σ = 25148390400. Its totient is φ = 2290049280.

The previous prime is 8784409957. The next prime is 8784410003. The reversal of 8784409980 is 899044878.

It is an interprime number because it is at equal distance from previous prime (8784409957) and next prime (8784410003).

It is a self number, because there is not a number n which added to its sum of digits gives 8784409980.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4367175 + ... + 4369185.

It is an arithmetic number, because the mean of its divisors is an integer number (261962400).

Almost surely, 2^8784409980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8784409980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12574195200).

8784409980 is an abundant number, since it is smaller than the sum of its proper divisors (16363980420).

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

8784409980 is a wasteful number, since it uses less digits than its factorization.

8784409980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 8784409980 is about 93725.1832753610. The cubic root of 8784409980 is about 2063.3403232927.

The spelling of 8784409980 in words is "eight billion, seven hundred eighty-four million, four hundred nine thousand, nine hundred eighty".