197376089 has 2 divisors, whose sum is σ = 197376090. Its totient is φ = 197376088.

The previous prime is 197376071. The next prime is 197376097. The reversal of 197376089 is 980673791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140825689 + 56550400 = 11867^2 + 7520^2 .

It is a cyclic number.

It is not a de Polignac number, because 197376089 - 2⁸ = 197375833 is a prime.

It is not a weakly prime, because it can be changed into another prime (197376589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98688044 + 98688045.

It is an arithmetic number, because the mean of its divisors is an integer number (98688045).

Almost surely, 2^197376089 is an apocalyptic number.

It is an amenable number.

197376089 is a deficient number, since it is larger than the sum of its proper divisors (1).

197376089 is an equidigital number, since it uses as much as digits as its factorization.

197376089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 197376089 is about 14049.0600753218. The cubic root of 197376089 is about 582.2348270825.

The spelling of 197376089 in words is "one hundred ninety-seven million, three hundred seventy-six thousand, eighty-nine".