99989839368 has 64 divisors (see below), whose sum is σ = 278052336000. Its totient is φ = 33293612736.

The previous prime is 99989839357. The next prime is 99989839409. The reversal of 99989839368 is 86393898999.

99989839368 is a `hidden beast` number, since 9 + 99 + 89 + 8 + 393 + 68 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53355 + ... + 450362.

It is an arithmetic number, because the mean of its divisors is an integer number (4344567750).

Almost surely, 2^99989839368 is an apocalyptic number.

It is an amenable number.

99989839368 is an abundant number, since it is smaller than the sum of its proper divisors (178062496632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99989839368 is a wasteful number, since it uses less digits than its factorization.

99989839368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504651 (or 504641 counting only the distinct ones).

The product of its digits is 1632586752, while the sum is 81.

The spelling of 99989839368 in words is "ninety-nine billion, nine hundred eighty-nine million, eight hundred thirty-nine thousand, three hundred sixty-eight".