9787654560 has 48 divisors (see below), whose sum is σ = 30831113376. Its totient is φ = 2610041088.

The previous prime is 9787654537. The next prime is 9787654573. The reversal of 9787654560 is 654567879.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9787654560.

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, 10194994 + ... + 10195953.

It is an arithmetic number, because the mean of its divisors is an integer number (642314862).

Almost surely, 2^9787654560 is an apocalyptic number.

It is an amenable number.

9787654560 is an abundant number, since it is smaller than the sum of its proper divisors (21043458816).

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

9787654560 is a wasteful number, since it uses less digits than its factorization.

9787654560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20390965 (or 20390957 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The square root of 9787654560 is about 98932.5758281871. The cubic root of 9787654560 is about 2139.0759803851.

The spelling of 9787654560 in words is "nine billion, seven hundred eighty-seven million, six hundred fifty-four thousand, five hundred sixty".