97141135577 has 2 divisors, whose sum is σ = 97141135578. Its totient is φ = 97141135576.

The previous prime is 97141135543. The next prime is 97141135703. The reversal of 97141135577 is 77553114179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92017582336 + 5123553241 = 303344^2 + 71579^2 .

It is an emirp because it is prime and its reverse (77553114179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97141135577 - 2¹⁸ = 97140873433 is a prime.

It is not a weakly prime, because it can be changed into another prime (97141135177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48570567788 + 48570567789.

It is an arithmetic number, because the mean of its divisors is an integer number (48570567789).

Almost surely, 2^97141135577 is an apocalyptic number.

It is an amenable number.

97141135577 is a deficient number, since it is larger than the sum of its proper divisors (1).

97141135577 is an equidigital number, since it uses as much as digits as its factorization.

97141135577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 926100, while the sum is 50.

The spelling of 97141135577 in words is "ninety-seven billion, one hundred forty-one million, one hundred thirty-five thousand, five hundred seventy-seven".