86193326569 has 9 divisors (see below), whose sum is σ = 100268097111. Its totient is φ = 73878232680.

The previous prime is 86193326563. The next prime is 86193326599. The reversal of 86193326569 is 96562339168.

The square root of 86193326569 is 293587.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1477402969 + 84715923600 = 38437^2 + 291060^2 .

It is not a de Polignac number, because 86193326569 - 2¹¹ = 86193324521 is a prime.

It is a super-2 number, since 2×86193326569² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86193326563) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2034139 + ... + 2076079.

It is an arithmetic number, because the mean of its divisors is an integer number (11140899679).

Almost surely, 2^86193326569 is an apocalyptic number.

86193326569 is the 293587-th square number.

86193326569 is the 146794-th centered octagonal number.

It is an amenable number.

86193326569 is a deficient number, since it is larger than the sum of its proper divisors (14074770542).

86193326569 is an frugal number, since it uses more digits than its factorization.

86193326569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83896 (or 41948 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 58.

The spelling of 86193326569 in words is "eighty-six billion, one hundred ninety-three million, three hundred twenty-six thousand, five hundred sixty-nine".