89182335881 has 2 divisors, whose sum is σ = 89182335882. Its totient is φ = 89182335880.

The previous prime is 89182335857. The next prime is 89182335887. The reversal of 89182335881 is 18853328198.

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., 63161742400 + 26020593481 = 251320^2 + 161309^2 .

It is a cyclic number.

It is not a de Polignac number, because 89182335881 - 2¹⁸ = 89182073737 is a prime.

It is a super-2 number, since 2×89182335881² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89182335887) 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, 44591167940 + 44591167941.

It is an arithmetic number, because the mean of its divisors is an integer number (44591167941).

Almost surely, 2^89182335881 is an apocalyptic number.

It is an amenable number.

89182335881 is a deficient number, since it is larger than the sum of its proper divisors (1).

89182335881 is an equidigital number, since it uses as much as digits as its factorization.

89182335881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 56.

The spelling of 89182335881 in words is "eighty-nine billion, one hundred eighty-two million, three hundred thirty-five thousand, eight hundred eighty-one".