27265081287 has 16 divisors (see below), whose sum is σ = 38503095552. Its totient is φ = 17102517120.

The previous prime is 27265081273. The next prime is 27265081289. The reversal of 27265081287 is 78218056272.

It is not a de Polignac number, because 27265081287 - 2⁴ = 27265081271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27265081289) 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 15 ways as a sum of consecutive naturals, for example, 102928 + ... + 255194.

It is an arithmetic number, because the mean of its divisors is an integer number (2406443472).

Almost surely, 2^27265081287 is an apocalyptic number.

27265081287 is a deficient number, since it is larger than the sum of its proper divisors (11238014265).

27265081287 is a wasteful number, since it uses less digits than its factorization.

27265081287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155798.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 27265081287 in words is "twenty-seven billion, two hundred sixty-five million, eighty-one thousand, two hundred eighty-seven".