89771231941 has 2 divisors, whose sum is σ = 89771231942. Its totient is φ = 89771231940.

The previous prime is 89771231887. The next prime is 89771231971. The reversal of 89771231941 is 14913217798.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86747331841 + 3023900100 = 294529^2 + 54990^2 .

It is a cyclic number.

It is not a de Polignac number, because 89771231941 - 2¹⁷ = 89771100869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89771231971) 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, 44885615970 + 44885615971.

It is an arithmetic number, because the mean of its divisors is an integer number (44885615971).

Almost surely, 2^89771231941 is an apocalyptic number.

It is an amenable number.

89771231941 is a deficient number, since it is larger than the sum of its proper divisors (1).

89771231941 is an equidigital number, since it uses as much as digits as its factorization.

89771231941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 52.

The spelling of 89771231941 in words is "eighty-nine billion, seven hundred seventy-one million, two hundred thirty-one thousand, nine hundred forty-one".