97317376577 has 2 divisors, whose sum is σ = 97317376578. Its totient is φ = 97317376576.

The previous prime is 97317376549. The next prime is 97317376631. The reversal of 97317376577 is 77567371379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73793179201 + 23524197376 = 271649^2 + 153376^2 .

It is a cyclic number.

It is not a de Polignac number, because 97317376577 - 2¹⁰ = 97317375553 is a prime.

It is not a weakly prime, because it can be changed into another prime (97317376517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48658688288 + 48658688289.

It is an arithmetic number, because the mean of its divisors is an integer number (48658688289).

Almost surely, 2^97317376577 is an apocalyptic number.

It is an amenable number.

97317376577 is a deficient number, since it is larger than the sum of its proper divisors (1).

97317376577 is an equidigital number, since it uses as much as digits as its factorization.

97317376577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40841010, while the sum is 62.

The spelling of 97317376577 in words is "ninety-seven billion, three hundred seventeen million, three hundred seventy-six thousand, five hundred seventy-seven".