9784972280 has 16 divisors (see below), whose sum is σ = 22016187720. Its totient is φ = 3913988896.

The previous prime is 9784972259. The next prime is 9784972289. The reversal of 9784972280 is 822794879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9784972289) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122312114 + ... + 122312193.

Almost surely, 2^9784972280 is an apocalyptic number.

It is an amenable number.

9784972280 is an abundant number, since it is smaller than the sum of its proper divisors (12231215440).

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

9784972280 is a wasteful number, since it uses less digits than its factorization.

9784972280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244624318 (or 244624314 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 9784972280 is about 98919.0187982068. The cubic root of 9784972280 is about 2138.8805598891.

The spelling of 9784972280 in words is "nine billion, seven hundred eighty-four million, nine hundred seventy-two thousand, two hundred eighty".