99739900512 is a `hidden beast` number, since 9 + 9 + 7 + 39 + 90 + 0 + 512 = 666.
It is a tau number, because it is divible by the number of its divisors (288).
It is a congruent number.
Almost surely, 299739900512 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 99739900512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171513538560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99739900512 is a wasteful number, since it uses less digits than its factorization.
99739900512 is an evil number, because the sum of its binary digits is even.
The spelling of 99739900512 in words is "ninety-nine billion, seven hundred thirty-nine million, nine hundred thousand, five hundred twelve".