99834323988 has 24 divisors (see below), whose sum is σ = 266224864192. Its totient is φ = 28524092544.

The previous prime is 99834323977. The next prime is 99834324041. The reversal of 99834323988 is 88932343899.

It is a super-2 number, since 2×99834323988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 594251845 + ... + 594252012.

Almost surely, 2^99834323988 is an apocalyptic number.

It is an amenable number.

99834323988 is an abundant number, since it is smaller than the sum of its proper divisors (166390540204).

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

99834323988 is a wasteful number, since it uses less digits than its factorization.

99834323988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188503871 (or 1188503869 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 66.

The spelling of 99834323988 in words is "ninety-nine billion, eight hundred thirty-four million, three hundred twenty-three thousand, nine hundred eighty-eight".