97842907297 has 2 divisors, whose sum is σ = 97842907298. Its totient is φ = 97842907296.

The previous prime is 97842907291. The next prime is 97842907321. The reversal of 97842907297 is 79270924879.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85124481121 + 12718426176 = 291761^2 + 112776^2 .

It is a cyclic number.

It is not a de Polignac number, because 97842907297 - 2²³ = 97834518689 is a prime.

It is not a weakly prime, because it can be changed into another prime (97842907291) 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, 48921453648 + 48921453649.

It is an arithmetic number, because the mean of its divisors is an integer number (48921453649).

Almost surely, 2^97842907297 is an apocalyptic number.

It is an amenable number.

97842907297 is a deficient number, since it is larger than the sum of its proper divisors (1).

97842907297 is an equidigital number, since it uses as much as digits as its factorization.

97842907297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 64.

The spelling of 97842907297 in words is "ninety-seven billion, eight hundred forty-two million, nine hundred seven thousand, two hundred ninety-seven".