89765275973 has 2 divisors, whose sum is σ = 89765275974. Its totient is φ = 89765275972.

The previous prime is 89765275921. The next prime is 89765275987. The reversal of 89765275973 is 37957256798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52919321764 + 36845954209 = 230042^2 + 191953^2 .

It is a cyclic number.

It is not a de Polignac number, because 89765275973 - 2¹² = 89765271877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89765275993) 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, 44882637986 + 44882637987.

It is an arithmetic number, because the mean of its divisors is an integer number (44882637987).

Almost surely, 2^89765275973 is an apocalyptic number.

It is an amenable number.

89765275973 is a deficient number, since it is larger than the sum of its proper divisors (1).

89765275973 is an equidigital number, since it uses as much as digits as its factorization.

89765275973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200037600, while the sum is 68.

The spelling of 89765275973 in words is "eighty-nine billion, seven hundred sixty-five million, two hundred seventy-five thousand, nine hundred seventy-three".