9995567 has 2 divisors, whose sum is σ = 9995568. Its totient is φ = 9995566.

The previous prime is 9995563. The next prime is 9995569. The reversal of 9995567 is 7655999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9995567 - 2² = 9995563 is a prime.

It is a super-2 number, since 2×9995567² = 199822719302978, which contains 22 as substring.

Together with 9995569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9995563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997783 + 4997784.

It is an arithmetic number, because the mean of its divisors is an integer number (4997784).

Almost surely, 2^9995567 is an apocalyptic number.

9995567 is a deficient number, since it is larger than the sum of its proper divisors (1).

9995567 is an equidigital number, since it uses as much as digits as its factorization.

9995567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 765450, while the sum is 50.

The square root of 9995567 is about 3161.5766636284. The cubic root of 9995567 is about 215.4116289346.

The spelling of 9995567 in words is "nine million, nine hundred ninety-five thousand, five hundred sixty-seven".