99358586880 has 384 divisors, whose sum is σ = 379093478400. Its totient is φ = 21722038272.

The previous prime is 99358586813. The next prime is 99358586891. The reversal of 99358586880 is 8868585399.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

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, 4935876 + ... + 4955964.

It is an arithmetic number, because the mean of its divisors is an integer number (987222600).

Almost surely, 2^99358586880 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 99358586880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189546739200).

99358586880 is an abundant number, since it is smaller than the sum of its proper divisors (279734891520).

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

99358586880 is a wasteful number, since it uses less digits than its factorization.

99358586880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20149 (or 20129 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 69.

The spelling of 99358586880 in words is "ninety-nine billion, three hundred fifty-eight million, five hundred eighty-six thousand, eight hundred eighty".