99385717499 has 8 divisors (see below), whose sum is σ = 99504599040. Its totient is φ = 99266910400.

The previous prime is 99385717481. The next prime is 99385717549. The reversal of 99385717499 is 99471758399.

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 99385717499 - 2³² = 95090750203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99385717699) 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 7 ways as a sum of consecutive naturals, for example, 2924294 + ... + 2958084.

It is an arithmetic number, because the mean of its divisors is an integer number (12438074880).

Almost surely, 2^99385717499 is an apocalyptic number.

99385717499 is a deficient number, since it is larger than the sum of its proper divisors (118881541).

99385717499 is a wasteful number, since it uses less digits than its factorization.

99385717499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37221.

The product of its digits is 154314720, while the sum is 71.

The spelling of 99385717499 in words is "ninety-nine billion, three hundred eighty-five million, seven hundred seventeen thousand, four hundred ninety-nine".