86563441361 has 4 divisors (see below), whose sum is σ = 86667861300. Its totient is φ = 86459021424.

The previous prime is 86563441357. The next prime is 86563441423. The reversal of 86563441361 is 16314436568.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54823881025 + 31739560336 = 234145^2 + 178156^2 .

It is a cyclic number.

It is not a de Polignac number, because 86563441361 - 2² = 86563441357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86563441561) 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 in 3 ways as a sum of consecutive naturals, for example, 52208726 + ... + 52210383.

It is an arithmetic number, because the mean of its divisors is an integer number (21666965325).

Almost surely, 2^86563441361 is an apocalyptic number.

It is an amenable number.

86563441361 is a deficient number, since it is larger than the sum of its proper divisors (104419939).

86563441361 is a wasteful number, since it uses less digits than its factorization.

86563441361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104419938.

The product of its digits is 1244160, while the sum is 47.

The spelling of 86563441361 in words is "eighty-six billion, five hundred sixty-three million, four hundred forty-one thousand, three hundred sixty-one".