81096073127 has 12 divisors (see below), whose sum is σ = 83882010240. Its totient is φ = 78393345408.

The previous prime is 81096072997. The next prime is 81096073133. The reversal of 81096073127 is 72137069018.

It is not a de Polignac number, because 81096073127 - 2¹² = 81096069031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81096073147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46727 + ... + 405432.

It is an arithmetic number, because the mean of its divisors is an integer number (6990167520).

Almost surely, 2^81096073127 is an apocalyptic number.

81096073127 is a deficient number, since it is larger than the sum of its proper divisors (2785937113).

81096073127 is an equidigital number, since it uses as much as digits as its factorization.

81096073127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452342 (or 452299 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 81096073127 in words is "eighty-one billion, ninety-six million, seventy-three thousand, one hundred twenty-seven".