99717019 has 4 divisors (see below), whose sum is σ = 105582744. Its totient is φ = 93851296.

The previous prime is 99717011. The next prime is 99717041. The reversal of 99717019 is 91071799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99717019 - 2³ = 99717011 is a prime.

It is a super-2 number, since 2×99717019² = 19886967756492722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99717011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932837 + ... + 2932870.

It is an arithmetic number, because the mean of its divisors is an integer number (26395686).

Almost surely, 2^99717019 is an apocalyptic number.

99717019 is a deficient number, since it is larger than the sum of its proper divisors (5865725).

99717019 is a wasteful number, since it uses less digits than its factorization.

99717019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865724.

The product of its (nonzero) digits is 35721, while the sum is 43.

The square root of 99717019 is about 9985.8409260312. The cubic root of 99717019 is about 463.7206425717.

The spelling of 99717019 in words is "ninety-nine million, seven hundred seventeen thousand, nineteen".