97967579 has 2 divisors, whose sum is σ = 97967580. Its totient is φ = 97967578.

The previous prime is 97967567. The next prime is 97967587. The reversal of 97967579 is 97576979.

It is a strong prime.

It is an emirp because it is prime and its reverse (97576979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97967579 - 2⁸ = 97967323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97967179) 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, 48983789 + 48983790.

It is an arithmetic number, because the mean of its divisors is an integer number (48983790).

Almost surely, 2^97967579 is an apocalyptic number.

97967579 is a deficient number, since it is larger than the sum of its proper divisors (1).

97967579 is an equidigital number, since it uses as much as digits as its factorization.

97967579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7501410, while the sum is 59.

The square root of 97967579 is about 9897.8572933742. The cubic root of 97967579 is about 460.9927817768.

The spelling of 97967579 in words is "ninety-seven million, nine hundred sixty-seven thousand, five hundred seventy-nine".