9996797563 has 4 divisors (see below), whose sum is σ = 10028333520. Its totient is φ = 9965261608.

The previous prime is 9996797527. The next prime is 9996797567. The reversal of 9996797563 is 3657976999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3657976999 = 42989 ⋅85091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9996797563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9996797492 and 9996797501.

It is not an unprimeable number, because it can be changed into a prime (9996797567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15767503 + ... + 15768136.

It is an arithmetic number, because the mean of its divisors is an integer number (2507083380).

Almost surely, 2^9996797563 is an apocalyptic number.

9996797563 is a deficient number, since it is larger than the sum of its proper divisors (31535957).

9996797563 is a wasteful number, since it uses less digits than its factorization.

9996797563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31535956.

The product of its digits is 173604060, while the sum is 70.

The square root of 9996797563 is about 99983.9865328443. The cubic root of 9996797563 is about 2154.2046840986.

The spelling of 9996797563 in words is "nine billion, nine hundred ninety-six million, seven hundred ninety-seven thousand, five hundred sixty-three".