9657959 has 2 divisors, whose sum is σ = 9657960. Its totient is φ = 9657958.

The previous prime is 9657943. The next prime is 9657961. The reversal of 9657959 is 9597569.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9657959 - 2⁴ = 9657943 is a prime.

Together with 9657961, 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 (9657359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828979 + 4828980.

It is an arithmetic number, because the mean of its divisors is an integer number (4828980).

Almost surely, 2^9657959 is an apocalyptic number.

9657959 is a deficient number, since it is larger than the sum of its proper divisors (1).

9657959 is an equidigital number, since it uses as much as digits as its factorization.

9657959 is an evil number, because the sum of its binary digits is even.

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

The square root of 9657959 is about 3107.7256957460. The cubic root of 9657959 is about 212.9585686496.

The spelling of 9657959 in words is "nine million, six hundred fifty-seven thousand, nine hundred fifty-nine".