97168637 has 2 divisors, whose sum is σ = 97168638. Its totient is φ = 97168636.

The previous prime is 97168579. The next prime is 97168649. The reversal of 97168637 is 73686179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53158681 + 44009956 = 7291^2 + 6634^2 .

It is a cyclic number.

It is not a de Polignac number, because 97168637 - 2⁸ = 97168381 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97168591 and 97168600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97168667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48584318 + 48584319.

It is an arithmetic number, because the mean of its divisors is an integer number (48584319).

Almost surely, 2^97168637 is an apocalyptic number.

It is an amenable number.

97168637 is a deficient number, since it is larger than the sum of its proper divisors (1).

97168637 is an equidigital number, since it uses as much as digits as its factorization.

97168637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 97168637 is about 9857.4153306026. The cubic root of 97168637 is about 459.7362019297.

The spelling of 97168637 in words is "ninety-seven million, one hundred sixty-eight thousand, six hundred thirty-seven".