99739119918528 has 280 divisors, whose sum is σ = 300736015030704. Its totient is φ = 32676195225600.

The previous prime is 99739119918499. The next prime is 99739119918593. The reversal of 99739119918528 is 82581991193799.

It is a happy number.

99739119918528 is a `hidden beast` number, since 9 + 9 + 7 + 391 + 199 + 18 + 5 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 413184108 + ... + 413425428.

Almost surely, 2^{99739119918528} 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 99739119918528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150368007515352).

99739119918528 is an abundant number, since it is smaller than the sum of its proper divisors (200996895112176).

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

99739119918528 is a wasteful number, since it uses less digits than its factorization.

99739119918528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242713 (or 242694 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 81.

The spelling of 99739119918528 in words is "ninety-nine trillion, seven hundred thirty-nine billion, one hundred nineteen million, nine hundred eighteen thousand, five hundred twenty-eight".