9788897 has 2 divisors, whose sum is σ = 9788898. Its totient is φ = 9788896.

The previous prime is 9788893. The next prime is 9788899. The reversal of 9788897 is 7988879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7595536 + 2193361 = 2756^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 9788897 - 2² = 9788893 is a prime.

Together with 9788899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9788893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4894448 + 4894449.

It is an arithmetic number, because the mean of its divisors is an integer number (4894449).

Almost surely, 2^9788897 is an apocalyptic number.

It is an amenable number.

9788897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9788897 is an equidigital number, since it uses as much as digits as its factorization.

9788897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 56.

The square root of 9788897 is about 3128.7213043031. The cubic root of 9788897 is about 213.9166487636.

The spelling of 9788897 in words is "nine million, seven hundred eighty-eight thousand, eight hundred ninety-seven".