97297927 has 2 divisors, whose sum is σ = 97297928. Its totient is φ = 97297926.

The previous prime is 97297909. The next prime is 97297931. The reversal of 97297927 is 72979279.

It is a strong prime.

It is an emirp because it is prime and its reverse (72979279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97297927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97297957) 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, 48648963 + 48648964.

It is an arithmetic number, because the mean of its divisors is an integer number (48648964).

Almost surely, 2^97297927 is an apocalyptic number.

97297927 is a deficient number, since it is larger than the sum of its proper divisors (1).

97297927 is an equidigital number, since it uses as much as digits as its factorization.

97297927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 52.

The square root of 97297927 is about 9863.9711577032. The cubic root of 97297927 is about 459.9400158079.

The spelling of 97297927 in words is "ninety-seven million, two hundred ninety-seven thousand, nine hundred twenty-seven".