9897716063 has 4 divisors (see below), whose sum is σ = 10328051568. Its totient is φ = 9467380560.

The previous prime is 9897716057. The next prime is 9897716083. The reversal of 9897716063 is 3606177989.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9897716063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897716083) 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, 215167718 + ... + 215167763.

It is an arithmetic number, because the mean of its divisors is an integer number (2582012892).

Almost surely, 2^9897716063 is an apocalyptic number.

9897716063 is a deficient number, since it is larger than the sum of its proper divisors (430335505).

9897716063 is a wasteful number, since it uses less digits than its factorization.

9897716063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430335504.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 9897716063 is about 99487.2658333719. The cubic root of 9897716063 is about 2147.0640338902.

The spelling of 9897716063 in words is "nine billion, eight hundred ninety-seven million, seven hundred sixteen thousand, sixty-three".