97345197077 has 2 divisors, whose sum is σ = 97345197078. Its totient is φ = 97345197076.

The previous prime is 97345197049. The next prime is 97345197161. The reversal of 97345197077 is 77079154379.

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., 86620730596 + 10724466481 = 294314^2 + 103559^2 .

It is a cyclic number.

It is not a de Polignac number, because 97345197077 - 2²⁶ = 97278088213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97345196077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48672598538 + 48672598539.

It is an arithmetic number, because the mean of its divisors is an integer number (48672598539).

Almost surely, 2^97345197077 is an apocalyptic number.

It is an amenable number.

97345197077 is a deficient number, since it is larger than the sum of its proper divisors (1).

97345197077 is an equidigital number, since it uses as much as digits as its factorization.

97345197077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11668860, while the sum is 59.

The spelling of 97345197077 in words is "ninety-seven billion, three hundred forty-five million, one hundred ninety-seven thousand, seventy-seven".