99799532942417 has 16 divisors (see below), whose sum is σ = 124431461148672. Its totient is φ = 77762076432720.

The previous prime is 99799532942173. The next prime is 99799532942443. The reversal of 99799532942417 is 71424923599799.

It is a cyclic number.

It is not a de Polignac number, because 99799532942417 - 2²⁶ = 99799465833553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99799532945417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30022313 + ... + 33180390.

It is an arithmetic number, because the mean of its divisors is an integer number (7776966321792).

Almost surely, 2^{99799532942417} is an apocalyptic number.

It is an amenable number.

99799532942417 is a deficient number, since it is larger than the sum of its proper divisors (24631928206255).

99799532942417 is a wasteful number, since it uses less digits than its factorization.

99799532942417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63223228.

The product of its digits is 2777664960, while the sum is 80.

The spelling of 99799532942417 in words is "ninety-nine trillion, seven hundred ninety-nine billion, five hundred thirty-two million, nine hundred forty-two thousand, four hundred seventeen".