9888660173115 has 48 divisors (see below), whose sum is σ = 18086581936800. Its totient is φ = 4984159412736.

The previous prime is 9888660173107. The next prime is 9888660173141. The reversal of 9888660173115 is 5113710668889.

9888660173115 is a `hidden beast` number, since 9 + 8 + 8 + 8 + 6 + 601 + 7 + 3 + 1 + 15 = 666.

It is not a de Polignac number, because 9888660173115 - 2³ = 9888660173107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13789284 + ... + 14488673.

It is an arithmetic number, because the mean of its divisors is an integer number (376803790350).

Almost surely, 2^{9888660173115} is an apocalyptic number.

9888660173115 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9888660173115 is a deficient number, since it is larger than the sum of its proper divisors (8197921763685).

9888660173115 is a wasteful number, since it uses less digits than its factorization.

9888660173115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28278396 (or 28278393 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 9888660173115 in words is "nine trillion, eight hundred eighty-eight billion, six hundred sixty million, one hundred seventy-three thousand, one hundred fifteen".