99281608217 has 8 divisors (see below), whose sum is σ = 114678221472. Its totient is φ = 84946830400.

The previous prime is 99281608207. The next prime is 99281608229. The reversal of 99281608217 is 71280618299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99281608217 - 2¹⁴ = 99281591833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99281608207) 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 7 ways as a sum of consecutive naturals, for example, 265458659 + ... + 265459032.

It is an arithmetic number, because the mean of its divisors is an integer number (14334777684).

Almost surely, 2^99281608217 is an apocalyptic number.

It is an amenable number.

99281608217 is a deficient number, since it is larger than the sum of its proper divisors (15396613255).

99281608217 is a wasteful number, since it uses less digits than its factorization.

99281608217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530917719.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 99281608217 in words is "ninety-nine billion, two hundred eighty-one million, six hundred eight thousand, two hundred seventeen".