27275638201 has 16 divisors (see below), whose sum is σ = 31659393024. Its totient is φ = 23015687184.

The previous prime is 27275638171. The next prime is 27275638231. The reversal of 27275638201 is 10283657272.

It is an interprime number because it is at equal distance from previous prime (27275638171) and next prime (27275638231).

It is a de Polignac number, because none of the positive numbers 2^k-27275638201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27275638231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81480 + ... + 247366.

It is an arithmetic number, because the mean of its divisors is an integer number (1978712064).

Almost surely, 2^27275638201 is an apocalyptic number.

It is an amenable number.

27275638201 is a deficient number, since it is larger than the sum of its proper divisors (4383754823).

27275638201 is a wasteful number, since it uses less digits than its factorization.

27275638201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166260.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 27275638201 in words is "twenty-seven billion, two hundred seventy-five million, six hundred thirty-eight thousand, two hundred one".