9886566891393 has 12 divisors (see below), whose sum is σ = 14280827054208. Its totient is φ = 6590938240440.

The previous prime is 9886566891353. The next prime is 9886566891469. The reversal of 9886566891393 is 3931986656889.

9886566891393 is a `hidden beast` number, since 9 + 8 + 86 + 5 + 6 + 68 + 91 + 393 = 666.

It is not a de Polignac number, because 9886566891393 - 2⁹ = 9886566890881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9886566891353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8272005 + ... + 9391442.

It is an arithmetic number, because the mean of its divisors is an integer number (1190068921184).

Almost surely, 2^{9886566891393} is an apocalyptic number.

It is an amenable number.

9886566891393 is a deficient number, since it is larger than the sum of its proper divisors (4394260162815).

9886566891393 is a wasteful number, since it uses less digits than its factorization.

9886566891393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17725644 (or 17725641 counting only the distinct ones).

The product of its digits is 3627970560, while the sum is 81.

The spelling of 9886566891393 in words is "nine trillion, eight hundred eighty-six billion, five hundred sixty-six million, eight hundred ninety-one thousand, three hundred ninety-three".