99802838508 has 24 divisors (see below), whose sum is σ = 233429085120. Its totient is φ = 33188213520.

The previous prime is 99802838489. The next prime is 99802838557. The reversal of 99802838508 is 80583820899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9919678 + ... + 9929733.

It is an arithmetic number, because the mean of its divisors is an integer number (9726211880).

Almost surely, 2^99802838508 is an apocalyptic number.

It is an amenable number.

99802838508 is an abundant number, since it is smaller than the sum of its proper divisors (133626246612).

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

99802838508 is a wasteful number, since it uses less digits than its factorization.

99802838508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19849837 (or 19849835 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 99802838508 in words is "ninety-nine billion, eight hundred two million, eight hundred thirty-eight thousand, five hundred eight".