97966866979 has 2 divisors, whose sum is σ = 97966866980. Its totient is φ = 97966866978.

The previous prime is 97966866941. The next prime is 97966867039.

97966866979 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 97966866979 - 2²⁹ = 97429996067 is a prime.

It is not a weakly prime, because it can be changed into another prime (97966863979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48983433489 + 48983433490.

It is an arithmetic number, because the mean of its divisors is an integer number (48983433490).

Almost surely, 2^97966866979 is an apocalyptic number.

97966866979 is a deficient number, since it is larger than the sum of its proper divisors (1).

97966866979 is an equidigital number, since it uses as much as digits as its factorization.

97966866979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333197952, while the sum is 82.

The spelling of 97966866979 in words is "ninety-seven billion, nine hundred sixty-six million, eight hundred sixty-six thousand, nine hundred seventy-nine".