8987504940 has 72 divisors (see below), whose sum is σ = 27284952240. Its totient is φ = 2394658944.

The previous prime is 8987504899. The next prime is 8987504947. The reversal of 8987504940 is 494057898.

8987504940 is a `hidden beast` number, since 8 + 98 + 7 + 504 + 9 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (8987504947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200907 + ... + 241533.

It is an arithmetic number, because the mean of its divisors is an integer number (378957670).

Almost surely, 2^8987504940 is an apocalyptic number.

It is an amenable number.

8987504940 is an abundant number, since it is smaller than the sum of its proper divisors (18297447300).

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

8987504940 is a wasteful number, since it uses less digits than its factorization.

8987504940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41871 (or 41866 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 8987504940 is about 94802.4521834747. The cubic root of 8987504940 is about 2079.1207560345.

The spelling of 8987504940 in words is "eight billion, nine hundred eighty-seven million, five hundred four thousand, nine hundred forty".