99879940608 has 320 divisors, whose sum is σ = 332392439808. Its totient is φ = 25990594560.

The previous prime is 99879940543. The next prime is 99879940613. The reversal of 99879940608 is 80604997899.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5657491 + ... + 5675117.

Almost surely, 2^99879940608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99879940608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166196219904).

99879940608 is an abundant number, since it is smaller than the sum of its proper divisors (232512499200).

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

99879940608 is a wasteful number, since it uses less digits than its factorization.

99879940608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17703 (or 17687 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 99879940608 in words is "ninety-nine billion, eight hundred seventy-nine million, nine hundred forty thousand, six hundred eight".