99104208617 has 4 divisors (see below), whose sum is σ = 99117752916. Its totient is φ = 99090664320.

The previous prime is 99104208589. The next prime is 99104208647. The reversal of 99104208617 is 71680240199.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49185924841 + 49918283776 = 221779^2 + 223424^2 .

It is a cyclic number.

It is not a de Polignac number, because 99104208617 - 2¹⁶ = 99104143081 is a prime.

It is a super-3 number, since 3×99104208617³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99104208647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6761168 + ... + 6775809.

It is an arithmetic number, because the mean of its divisors is an integer number (24779438229).

Almost surely, 2^99104208617 is an apocalyptic number.

It is an amenable number.

99104208617 is a deficient number, since it is larger than the sum of its proper divisors (13544299).

99104208617 is a wasteful number, since it uses less digits than its factorization.

99104208617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544298.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 99104208617 in words is "ninety-nine billion, one hundred four million, two hundred eight thousand, six hundred seventeen".