97636169 has 2 divisors, whose sum is σ = 97636170. Its totient is φ = 97636168.

The previous prime is 97636163. The next prime is 97636171. The reversal of 97636169 is 96163679.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85470025 + 12166144 = 9245^2 + 3488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97636169 is a prime.

It is a super-2 number, since 2×97636169² = 19065642993993122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 97636171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97636163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48818084 + 48818085.

It is an arithmetic number, because the mean of its divisors is an integer number (48818085).

Almost surely, 2^97636169 is an apocalyptic number.

It is an amenable number.

97636169 is a deficient number, since it is larger than the sum of its proper divisors (1).

97636169 is an equidigital number, since it uses as much as digits as its factorization.

97636169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 97636169 is about 9881.1016086264. The cubic root of 97636169 is about 460.4723707774.

The spelling of 97636169 in words is "ninety-seven million, six hundred thirty-six thousand, one hundred sixty-nine".