9782487280 has 20 divisors (see below), whose sum is σ = 22744283112. Its totient is φ = 3912994880.

The previous prime is 9782487257. The next prime is 9782487353. The reversal of 9782487280 is 827842879.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61140466 + ... + 61140625.

Almost surely, 2^9782487280 is an apocalyptic number.

It is an amenable number.

9782487280 is an abundant number, since it is smaller than the sum of its proper divisors (12961795832).

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

9782487280 is a wasteful number, since it uses less digits than its factorization.

9782487280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122281104 (or 122281098 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 9782487280 is about 98906.4572209520. The cubic root of 9782487280 is about 2138.6994805753.

The spelling of 9782487280 in words is "nine billion, seven hundred eighty-two million, four hundred eighty-seven thousand, two hundred eighty".