8999999999893 has 8 divisors (see below), whose sum is σ = 10285746370560. Its totient is φ = 7714261650480.

The previous prime is 8999999999891. The next prime is 8999999999911. The reversal of 8999999999893 is 3989999999998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8999999999893 - 2¹ = 8999999999891 is a prime.

It is a super-2 number, since 2×8999999999893² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8999999999893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999999999891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629883 + ... + 4289143.

It is an arithmetic number, because the mean of its divisors is an integer number (1285718296320).

Almost surely, 2^{8999999999893} is an apocalyptic number.

It is an amenable number.

8999999999893 is a deficient number, since it is larger than the sum of its proper divisors (1285746370667).

8999999999893 is a wasteful number, since it uses less digits than its factorization.

8999999999893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010627.

The product of its digits is 669462604992, while the sum is 109.

The spelling of 8999999999893 in words is "eight trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred ninety-three".