9616717899 has 16 divisors (see below), whose sum is σ = 14326588800. Its totient is φ = 6375325608.

The previous prime is 9616717883. The next prime is 9616717909. The reversal of 9616717899 is 9987176169.

9616717899 is a `hidden beast` number, since 9 + 616 + 7 + 1 + 7 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 9616717899 - 2⁴ = 9616717883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9616716899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990069 + ... + 999734.

It is an arithmetic number, because the mean of its divisors is an integer number (895411800).

Almost surely, 2^9616717899 is an apocalyptic number.

9616717899 is a deficient number, since it is larger than the sum of its proper divisors (4709870901).

9616717899 is a wasteful number, since it uses less digits than its factorization.

9616717899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989991 (or 1989985 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 9616717899 is about 98064.8657726099. The cubic root of 9616717899 is about 2126.5501325375.

The spelling of 9616717899 in words is "nine billion, six hundred sixteen million, seven hundred seventeen thousand, eight hundred ninety-nine".