9797771 has 2 divisors, whose sum is σ = 9797772. Its totient is φ = 9797770.

The previous prime is 9797731. The next prime is 9797773. The reversal of 9797771 is 1777979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9797771 - 2¹⁰ = 9796747 is a prime.

Together with 9797773, 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 (9797773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4898885 + 4898886.

It is an arithmetic number, because the mean of its divisors is an integer number (4898886).

Almost surely, 2^9797771 is an apocalyptic number.

9797771 is a deficient number, since it is larger than the sum of its proper divisors (1).

9797771 is an equidigital number, since it uses as much as digits as its factorization.

9797771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194481, while the sum is 47.

The square root of 9797771 is about 3130.1391342878. The cubic root of 9797771 is about 213.9812703787.

The spelling of 9797771 in words is "nine million, seven hundred ninety-seven thousand, seven hundred seventy-one".