86057866381081 has 12 divisors (see below), whose sum is σ = 101099299892580. Its totient is φ = 73033549965600.

The previous prime is 86057866381061. The next prime is 86057866381117. The reversal of 86057866381081 is 18018366875068.

It can be written as a sum of positive squares in 2 ways, for example, as 75995521086681 + 10062345294400 = 8717541^2 + 3172120^2 .

It is not a de Polignac number, because 86057866381081 - 2¹¹ = 86057866379033 is a prime.

It is a super-2 number, since 2×86057866381081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86057866380998 and 86057866381016.

It is not an unprimeable number, because it can be changed into a prime (86057866381061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8694465286 + ... + 8694475183.

It is an arithmetic number, because the mean of its divisors is an integer number (8424941657715).

Almost surely, 2^{86057866381081} is an apocalyptic number.

It is an amenable number.

86057866381081 is a deficient number, since it is larger than the sum of its proper divisors (15041433511499).

86057866381081 is a wasteful number, since it uses less digits than its factorization.

86057866381081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388940584 (or 17388940577 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 67.

The spelling of 86057866381081 in words is "eighty-six trillion, fifty-seven billion, eight hundred sixty-six million, three hundred eighty-one thousand, eighty-one".