89223094774477 has 2 divisors, whose sum is σ = 89223094774478. Its totient is φ = 89223094774476.

The previous prime is 89223094774423. The next prime is 89223094774661. The reversal of 89223094774477 is 77447749032298.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69100881537636 + 20122213236841 = 8312694^2 + 4485779^2 .

It is a cyclic number.

It is not a de Polignac number, because 89223094774477 - 2²⁷ = 89222960556749 is a prime.

It is a super-2 number, since 2×89223094774477² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89223094774417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44611547387238 + 44611547387239.

It is an arithmetic number, because the mean of its divisors is an integer number (44611547387239).

Almost surely, 2^{89223094774477} is an apocalyptic number.

It is an amenable number.

89223094774477 is a deficient number, since it is larger than the sum of its proper divisors (1).

89223094774477 is an equidigital number, since it uses as much as digits as its factorization.

89223094774477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1194891264, while the sum is 73.

The spelling of 89223094774477 in words is "eighty-nine trillion, two hundred twenty-three billion, ninety-four million, seven hundred seventy-four thousand, four hundred seventy-seven".