27137256775 has 12 divisors (see below), whose sum is σ = 34810551000. Its totient is φ = 20961190880.

The previous prime is 27137256737. The next prime is 27137256779. The reversal of 27137256775 is 57765273172.

It is not a de Polignac number, because 27137256775 - 2¹⁵ = 27137224007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27137256779) 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, 18714625 + ... + 18716074.

It is an arithmetic number, because the mean of its divisors is an integer number (2900879250).

Almost surely, 2^27137256775 is an apocalyptic number.

27137256775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27137256775 is a deficient number, since it is larger than the sum of its proper divisors (7673294225).

27137256775 is a wasteful number, since it uses less digits than its factorization.

27137256775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37430738 (or 37430733 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 52.

The spelling of 27137256775 in words is "twenty-seven billion, one hundred thirty-seven million, two hundred fifty-six thousand, seven hundred seventy-five".