97968589 has 2 divisors, whose sum is σ = 97968590. Its totient is φ = 97968588.

The previous prime is 97968571. The next prime is 97968599. The reversal of 97968589 is 98586979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 3392964 = 9725^2 + 1842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97968589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97968599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48984294 + 48984295.

It is an arithmetic number, because the mean of its divisors is an integer number (48984295).

Almost surely, 2^97968589 is an apocalyptic number.

It is an amenable number.

97968589 is a deficient number, since it is larger than the sum of its proper divisors (1).

97968589 is an equidigital number, since it uses as much as digits as its factorization.

97968589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 61.

The square root of 97968589 is about 9897.9083143864. The cubic root of 97968589 is about 460.9943659781.

The spelling of 97968589 in words is "ninety-seven million, nine hundred sixty-eight thousand, five hundred eighty-nine".