99885898269 has 12 divisors (see below), whose sum is σ = 144282942336. Its totient is φ = 66589070472.

The previous prime is 99885898253. The next prime is 99885898291. The reversal of 99885898269 is 96289858899.

99885898269 is a `hidden beast` number, since 9 + 9 + 8 + 8 + 589 + 8 + 26 + 9 = 666.

It is not a de Polignac number, because 99885898269 - 2⁴ = 99885898253 is a prime.

It is a super-2 number, since 2×99885898269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99885898249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402612 + ... + 601554.

It is an arithmetic number, because the mean of its divisors is an integer number (12023578528).

Almost surely, 2^99885898269 is an apocalyptic number.

It is an amenable number.

99885898269 is a deficient number, since it is larger than the sum of its proper divisors (44397044067).

99885898269 is a wasteful number, since it uses less digits than its factorization.

99885898269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254736 (or 254733 counting only the distinct ones).

The product of its digits is 1612431360, while the sum is 81.

The spelling of 99885898269 in words is "ninety-nine billion, eight hundred eighty-five million, eight hundred ninety-eight thousand, two hundred sixty-nine".