89232660081 has 12 divisors (see below), whose sum is σ = 129075497460. Its totient is φ = 59403573600.

The previous prime is 89232660047. The next prime is 89232660157. The reversal of 89232660081 is 18006623298.

89232660081 is a `hidden beast` number, since 8 + 9 + 2 + 32 + 6 + 600 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66520663056 + 22711997025 = 257916^2 + 150705^2 .

It is not a de Polignac number, because 89232660081 - 2¹⁰ = 89232659057 is a prime.

It is a super-2 number, since 2×89232660081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89232660001) 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 in 11 ways as a sum of consecutive naturals, for example, 7065546 + ... + 7078163.

It is an arithmetic number, because the mean of its divisors is an integer number (10756291455).

Almost surely, 2^89232660081 is an apocalyptic number.

It is an amenable number.

89232660081 is a deficient number, since it is larger than the sum of its proper divisors (39842837379).

89232660081 is a wasteful number, since it uses less digits than its factorization.

89232660081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14144416 (or 14144413 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 89232660081 in words is "eighty-nine billion, two hundred thirty-two million, six hundred sixty thousand, eighty-one".