9787880 has 32 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 3744576.

The previous prime is 9787879. The next prime is 9787901. The reversal of 9787880 is 887879.

9787880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4400 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^9787880 is an apocalyptic number.

It is an amenable number.

9787880 is an abundant number, since it is smaller than the sum of its proper divisors (13194520).

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

9787880 is a wasteful number, since it uses less digits than its factorization.

9787880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 9787880 is about 3128.5587736209. The cubic root of 9787880 is about 213.9092403441.

The spelling of 9787880 in words is "nine million, seven hundred eighty-seven thousand, eight hundred eighty".