99976546669 has 2 divisors, whose sum is σ = 99976546670. Its totient is φ = 99976546668.

The previous prime is 99976546619. The next prime is 99976546697. The reversal of 99976546669 is 96664567999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83254177444 + 16722369225 = 288538^2 + 129315^2 .

It is a cyclic number.

It is not a de Polignac number, because 99976546669 - 2¹⁷ = 99976415597 is a prime.

It is a super-2 number, since 2×99976546669² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99976546595 and 99976546604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99976546619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49988273334 + 49988273335.

It is an arithmetic number, because the mean of its divisors is an integer number (49988273335).

Almost surely, 2^99976546669 is an apocalyptic number.

It is an amenable number.

99976546669 is a deficient number, since it is larger than the sum of its proper divisors (1).

99976546669 is an equidigital number, since it uses as much as digits as its factorization.

99976546669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190427840, while the sum is 76.

The spelling of 99976546669 in words is "ninety-nine billion, nine hundred seventy-six million, five hundred forty-six thousand, six hundred sixty-nine".