27486386667081 has 40 divisors (see below), whose sum is σ = 41759818531200. Its totient is φ = 18011961493920.

The previous prime is 27486386667067. The next prime is 27486386667121. The reversal of 27486386667081 is 18076668368472.

It is a happy number.

It is not a de Polignac number, because 27486386667081 - 2⁹ = 27486386666569 is a prime.

It is a super-2 number, since 2×27486386667081² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27486386667031) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50909776 + ... + 51446846.

It is an arithmetic number, because the mean of its divisors is an integer number (1043995463280).

Almost surely, 2^{27486386667081} is an apocalyptic number.

It is an amenable number.

27486386667081 is a deficient number, since it is larger than the sum of its proper divisors (14273431864119).

27486386667081 is a wasteful number, since it uses less digits than its factorization.

27486386667081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547851 (or 547842 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 72.

The spelling of 27486386667081 in words is "twenty-seven trillion, four hundred eighty-six billion, three hundred eighty-six million, six hundred sixty-seven thousand, eighty-one".