97936692577 has 2 divisors, whose sum is σ = 97936692578. Its totient is φ = 97936692576.

The previous prime is 97936692571. The next prime is 97936692593. The reversal of 97936692577 is 77529663979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95902321761 + 2034370816 = 309681^2 + 45104^2 .

It is a cyclic number.

It is not a de Polignac number, because 97936692577 - 2¹⁹ = 97936168289 is a prime.

It is not a weakly prime, because it can be changed into another prime (97936692571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48968346288 + 48968346289.

It is an arithmetic number, because the mean of its divisors is an integer number (48968346289).

Almost surely, 2^97936692577 is an apocalyptic number.

It is an amenable number.

97936692577 is a deficient number, since it is larger than the sum of its proper divisors (1).

97936692577 is an equidigital number, since it uses as much as digits as its factorization.

97936692577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270050760, while the sum is 70.

The spelling of 97936692577 in words is "ninety-seven billion, nine hundred thirty-six million, six hundred ninety-two thousand, five hundred seventy-seven".