99676973106497 has 2 divisors, whose sum is σ = 99676973106498. Its totient is φ = 99676973106496.

The previous prime is 99676973106457. The next prime is 99676973106577. The reversal of 99676973106497 is 79460137967699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95887102502416 + 3789870604081 = 9792196^2 + 1946759^2 .

It is a cyclic number.

It is not a de Polignac number, because 99676973106497 - 2⁸ = 99676973106241 is a prime.

It is a super-2 number, since 2×99676973106497² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99676973106457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49838486553248 + 49838486553249.

It is an arithmetic number, because the mean of its divisors is an integer number (49838486553249).

Almost surely, 2^{99676973106497} is an apocalyptic number.

It is an amenable number.

99676973106497 is a deficient number, since it is larger than the sum of its proper divisors (1).

99676973106497 is an equidigital number, since it uses as much as digits as its factorization.

99676973106497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5833096416, while the sum is 83.

The spelling of 99676973106497 in words is "ninety-nine trillion, six hundred seventy-six billion, nine hundred seventy-three million, one hundred six thousand, four hundred ninety-seven".