99717960 has 96 divisors (see below), whose sum is σ = 307964160. Its totient is φ = 25830144.

The previous prime is 99717929. The next prime is 99717983. The reversal of 99717960 is 6971799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163977 + ... + 164583.

It is an arithmetic number, because the mean of its divisors is an integer number (3207960).

Almost surely, 2^99717960 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 99717960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153982080).

99717960 is an abundant number, since it is smaller than the sum of its proper divisors (208246200).

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

99717960 is a wasteful number, since it uses less digits than its factorization.

99717960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 48.

The square root of 99717960 is about 9985.8880426330. Note that the first 3 decimals coincide. The cubic root of 99717960 is about 463.7221012319.

The spelling of 99717960 in words is "ninety-nine million, seven hundred seventeen thousand, nine hundred sixty".