97687488920179 has 2 divisors, whose sum is σ = 97687488920180. Its totient is φ = 97687488920178.

The previous prime is 97687488920143. The next prime is 97687488920209. The reversal of 97687488920179 is 97102988478679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97687488920179 - 2¹⁹ = 97687488395891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97687488920096 and 97687488920105.

It is not a weakly prime, because it can be changed into another prime (97687488920479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48843744460089 + 48843744460090.

It is an arithmetic number, because the mean of its divisors is an integer number (48843744460090).

Almost surely, 2^{97687488920179} is an apocalyptic number.

97687488920179 is a deficient number, since it is larger than the sum of its proper divisors (1).

97687488920179 is an equidigital number, since it uses as much as digits as its factorization.

97687488920179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6145155072, while the sum is 85.

The spelling of 97687488920179 in words is "ninety-seven trillion, six hundred eighty-seven billion, four hundred eighty-eight million, nine hundred twenty thousand, one hundred seventy-nine".