97248979 has 2 divisors, whose sum is σ = 97248980. Its totient is φ = 97248978.

The previous prime is 97248971. The next prime is 97248989. The reversal of 97248979 is 97984279.

It is a weak prime.

It is an emirp because it is prime and its reverse (97984279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97248979 - 2³ = 97248971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97248971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48624489 + 48624490.

It is an arithmetic number, because the mean of its divisors is an integer number (48624490).

Almost surely, 2^97248979 is an apocalyptic number.

97248979 is a deficient number, since it is larger than the sum of its proper divisors (1).

97248979 is an equidigital number, since it uses as much as digits as its factorization.

97248979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 55.

The square root of 97248979 is about 9861.4896947672. The cubic root of 97248979 is about 459.8628750064.

The spelling of 97248979 in words is "ninety-seven million, two hundred forty-eight thousand, nine hundred seventy-nine".