99766276189 has 2 divisors, whose sum is σ = 99766276190. Its totient is φ = 99766276188.

The previous prime is 99766276153. The next prime is 99766276193. The reversal of 99766276189 is 98167266799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99766276164 + 25 = 315858^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 99766276189 - 2⁷ = 99766276061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99766676189) 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, 49883138094 + 49883138095.

It is an arithmetic number, because the mean of its divisors is an integer number (49883138095).

Almost surely, 2^99766276189 is an apocalyptic number.

It is an amenable number.

99766276189 is a deficient number, since it is larger than the sum of its proper divisors (1).

99766276189 is an equidigital number, since it uses as much as digits as its factorization.

99766276189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123451776, while the sum is 70.

The spelling of 99766276189 in words is "ninety-nine billion, seven hundred sixty-six million, two hundred seventy-six thousand, one hundred eighty-nine".