9812985433875 has 192 divisors, whose sum is σ = 19575183753216. Its totient is φ = 4699159660800.

The previous prime is 9812985433813. The next prime is 9812985433883. The reversal of 9812985433875 is 5783345892189.

9812985433875 is a `hidden beast` number, since 9 + 8 + 1 + 2 + 9 + 8 + 543 + 3 + 8 + 75 = 666.

It is not a de Polignac number, because 9812985433875 - 2³² = 9808690466579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 111998334 + ... + 112085916.

It is an arithmetic number, because the mean of its divisors is an integer number (101954082048).

Almost surely, 2^{9812985433875} is an apocalyptic number.

9812985433875 is a deficient number, since it is larger than the sum of its proper divisors (9762198319341).

9812985433875 is a wasteful number, since it uses less digits than its factorization.

9812985433875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87827 (or 87814 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 9812985433875 in words is "nine trillion, eight hundred twelve billion, nine hundred eighty-five million, four hundred thirty-three thousand, eight hundred seventy-five".