99999904899068 has 48 divisors (see below), whose sum is σ = 189331043328000. Its totient is φ = 46034484938496.

The previous prime is 99999904899061. The next prime is 99999904899121. The reversal of 99999904899068 is 86099840999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999904899061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437380 + ... + 14214987.

It is an arithmetic number, because the mean of its divisors is an integer number (3944396736000).

Almost surely, 2^{99999904899068} is an apocalyptic number.

It is an amenable number.

99999904899068 is a deficient number, since it is larger than the sum of its proper divisors (89331138428932).

99999904899068 is a wasteful number, since it uses less digits than its factorization.

99999904899068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15654434 (or 15654432 counting only the distinct ones).

The product of its (nonzero) digits is 66119763456, while the sum is 98.

The spelling of 99999904899068 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred four million, eight hundred ninety-nine thousand, sixty-eight".