9887508860544 has 160 divisors (see below), whose sum is σ = 33628647280800. Its totient is φ = 2825002510848.

The previous prime is 9887508860507. The next prime is 9887508860557. The reversal of 9887508860544 is 4450688057889.

9887508860544 is a `hidden beast` number, since 9 + 8 + 8 + 7 + 5 + 0 + 8 + 8 + 605 + 4 + 4 = 666.

It is a super-2 number, since 2×9887508860544² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68045734 + ... + 68190885.

It is an arithmetic number, because the mean of its divisors is an integer number (210179045505).

Almost surely, 2^{9887508860544} is an apocalyptic number.

It is an amenable number.

9887508860544 is an abundant number, since it is smaller than the sum of its proper divisors (23741138420256).

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

9887508860544 is a wasteful number, since it uses less digits than its factorization.

9887508860544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136236652 (or 136236631 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 72.

The spelling of 9887508860544 in words is "nine trillion, eight hundred eighty-seven billion, five hundred eight million, eight hundred sixty thousand, five hundred forty-four".