8687488440 has 64 divisors (see below), whose sum is σ = 26069097600. Its totient is φ = 2316074112.

The previous prime is 8687488409. The next prime is 8687488451. The reversal of 8687488440 is 448847868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675591 + ... + 688329.

It is an arithmetic number, because the mean of its divisors is an integer number (407329650).

Almost surely, 2^8687488440 is an apocalyptic number.

It is an amenable number.

8687488440 is an abundant number, since it is smaller than the sum of its proper divisors (17381609160).

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

8687488440 is a wasteful number, since it uses less digits than its factorization.

8687488440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18436 (or 18432 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 57.

The square root of 8687488440 is about 93206.6973988458. The cubic root of 8687488440 is about 2055.7237178400.

The spelling of 8687488440 in words is "eight billion, six hundred eighty-seven million, four hundred eighty-eight thousand, four hundred forty".