27465731275 has 24 divisors (see below), whose sum is σ = 34616378160. Its totient is φ = 21614307840.

The previous prime is 27465731273. The next prime is 27465731281. The reversal of 27465731275 is 57213756472.

It is not a de Polignac number, because 27465731275 - 2¹ = 27465731273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27465731273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455071 + ... + 511879.

It is an arithmetic number, because the mean of its divisors is an integer number (1442349090).

Almost surely, 2^27465731275 is an apocalyptic number.

27465731275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27465731275 is a deficient number, since it is larger than the sum of its proper divisors (7150646885).

27465731275 is a wasteful number, since it uses less digits than its factorization.

27465731275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57135 (or 57130 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 49.

The spelling of 27465731275 in words is "twenty-seven billion, four hundred sixty-five million, seven hundred thirty-one thousand, two hundred seventy-five".