99840832576 has 63 divisors (see below), whose sum is σ = 200338116087. Its totient is φ = 49368090240.

The previous prime is 99840832477. The next prime is 99840832579. The reversal of 99840832576 is 67523804899.

The square root of 99840832576 is 315976.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (99840832579) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 321031461 + ... + 321031771.

Almost surely, 2^99840832576 is an apocalyptic number.

99840832576 is the 315976-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99840832576

99840832576 is an abundant number, since it is smaller than the sum of its proper divisors (100497283511).

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

99840832576 is an frugal number, since it uses more digits than its factorization.

99840832576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 99840832576 in words is "ninety-nine billion, eight hundred forty million, eight hundred thirty-two thousand, five hundred seventy-six".