27527791265 has 32 divisors (see below), whose sum is σ = 35859148416. Its totient is φ = 20165967360.

The previous prime is 27527791253. The next prime is 27527791267. The reversal of 27527791265 is 56219772572.

It is not a de Polignac number, because 27527791265 - 2⁸ = 27527791009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27527791267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6535010 + ... + 6539220.

It is an arithmetic number, because the mean of its divisors is an integer number (1120598388).

Almost surely, 2^27527791265 is an apocalyptic number.

It is an amenable number.

27527791265 is a deficient number, since it is larger than the sum of its proper divisors (8331357151).

27527791265 is a wasteful number, since it uses less digits than its factorization.

27527791265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009.

The product of its digits is 3704400, while the sum is 53.

The spelling of 27527791265 in words is "twenty-seven billion, five hundred twenty-seven million, seven hundred ninety-one thousand, two hundred sixty-five".