99684929736 has 192 divisors, whose sum is σ = 316849303680. Its totient is φ = 27724861440.

The previous prime is 99684929723. The next prime is 99684929753. The reversal of 99684929736 is 63792948699.

99684929736 is a `hidden beast` number, since 9 + 9 + 68 + 492 + 9 + 73 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2965455 + ... + 2998881.

It is an arithmetic number, because the mean of its divisors is an integer number (1650256790).

Almost surely, 2^99684929736 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 99684929736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158424651840).

99684929736 is an abundant number, since it is smaller than the sum of its proper divisors (217164373944).

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

99684929736 is a wasteful number, since it uses less digits than its factorization.

99684929736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33604 (or 33597 counting only the distinct ones).

The product of its digits is 317447424, while the sum is 72.

The spelling of 99684929736 in words is "ninety-nine billion, six hundred eighty-four million, nine hundred twenty-nine thousand, seven hundred thirty-six".