97380191 has 2 divisors, whose sum is σ = 97380192. Its totient is φ = 97380190.

The previous prime is 97380169. The next prime is 97380197. The reversal of 97380191 is 19108379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97380191 - 2¹⁰ = 97379167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97380197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48690095 + 48690096.

It is an arithmetic number, because the mean of its divisors is an integer number (48690096).

Almost surely, 2^97380191 is an apocalyptic number.

97380191 is a deficient number, since it is larger than the sum of its proper divisors (1).

97380191 is an equidigital number, since it uses as much as digits as its factorization.

97380191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 97380191 is about 9868.1401996526. The cubic root of 97380191 is about 460.0696035193.

The spelling of 97380191 in words is "ninety-seven million, three hundred eighty thousand, one hundred ninety-one".