89235492197 has 2 divisors, whose sum is σ = 89235492198. Its totient is φ = 89235492196.

The previous prime is 89235492079. The next prime is 89235492211. The reversal of 89235492197 is 79129453298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63830001316 + 25405490881 = 252646^2 + 159391^2 .

It is a cyclic number.

It is not a de Polignac number, because 89235492197 - 2¹⁰ = 89235491173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89235498197) 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, 44617746098 + 44617746099.

It is an arithmetic number, because the mean of its divisors is an integer number (44617746099).

Almost surely, 2^89235492197 is an apocalyptic number.

It is an amenable number.

89235492197 is a deficient number, since it is larger than the sum of its proper divisors (1).

89235492197 is an equidigital number, since it uses as much as digits as its factorization.

89235492197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The spelling of 89235492197 in words is "eighty-nine billion, two hundred thirty-five million, four hundred ninety-two thousand, one hundred ninety-seven".