97687486823057 has 2 divisors, whose sum is σ = 97687486823058. Its totient is φ = 97687486823056.

The previous prime is 97687486823051. The next prime is 97687486823089. The reversal of 97687486823057 is 75032868478679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96140848860736 + 1546637962321 = 9805144^2 + 1243639^2 .

It is a cyclic number.

It is not a de Polignac number, because 97687486823057 - 2¹⁶ = 97687486757521 is a prime.

It is not a weakly prime, because it can be changed into another prime (97687486823051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48843743411528 + 48843743411529.

It is an arithmetic number, because the mean of its divisors is an integer number (48843743411529).

Almost surely, 2^{97687486823057} is an apocalyptic number.

It is an amenable number.

97687486823057 is a deficient number, since it is larger than the sum of its proper divisors (1).

97687486823057 is an equidigital number, since it uses as much as digits as its factorization.

97687486823057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6827950080, while the sum is 80.

The spelling of 97687486823057 in words is "ninety-seven trillion, six hundred eighty-seven billion, four hundred eighty-six million, eight hundred twenty-three thousand, fifty-seven".