8969385280 has 56 divisors (see below), whose sum is σ = 21401532000. Its totient is φ = 3580500480.

The previous prime is 8969385277. The next prime is 8969385301. The reversal of 8969385280 is 825839698.

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, 131595 + ... + 187765.

Almost surely, 2^8969385280 is an apocalyptic number.

8969385280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8969385280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10700766000).

8969385280 is an abundant number, since it is smaller than the sum of its proper divisors (12432146720).

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

8969385280 is a wasteful number, since it uses less digits than its factorization.

8969385280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56687 (or 56677 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The square root of 8969385280 is about 94706.8386126366. The cubic root of 8969385280 is about 2077.7225812996.

The spelling of 8969385280 in words is "eight billion, nine hundred sixty-nine million, three hundred eighty-five thousand, two hundred eighty".