99517109 has 8 divisors (see below), whose sum is σ = 100716000. Its totient is φ = 98323632.

The previous prime is 99517097. The next prime is 99517141. The reversal of 99517109 is 90171599.

It is a happy number.

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 99517109 - 2²⁰ = 98468533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99517709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44582 + ... + 46760.

It is an arithmetic number, because the mean of its divisors is an integer number (12589500).

Almost surely, 2^99517109 is an apocalyptic number.

It is an amenable number.

99517109 is a deficient number, since it is larger than the sum of its proper divisors (1198891).

99517109 is a wasteful number, since it uses less digits than its factorization.

99517109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 99517109 is about 9975.8262314457. The cubic root of 99517109 is about 463.4105503635.

The spelling of 99517109 in words is "ninety-nine million, five hundred seventeen thousand, one hundred nine".