99638836092 has 288 divisors, whose sum is σ = 280101319680. Its totient is φ = 29745999360.

The previous prime is 99638836081. The next prime is 99638836103. The reversal of 99638836092 is 29063883699.

It is an interprime number because it is at equal distance from previous prime (99638836081) and next prime (99638836103).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250979238 + ... + 250979634.

Almost surely, 2^99638836092 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 99638836092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140050659840).

99638836092 is an abundant number, since it is smaller than the sum of its proper divisors (180462483588).

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

99638836092 is a wasteful number, since it uses less digits than its factorization.

99638836092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 99638836092 in words is "ninety-nine billion, six hundred thirty-eight million, eight hundred thirty-six thousand, ninety-two".