275127627065 has 4 divisors (see below), whose sum is σ = 330153152484. Its totient is φ = 220102101648.

The previous prime is 275127627023. The next prime is 275127627079. The reversal of 275127627065 is 560726721572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201935194384 + 73192432681 = 449372^2 + 270541^2 .

It is a cyclic number.

It is not a de Polignac number, because 275127627065 - 2³⁶ = 206408150329 is a prime.

It is a super-2 number, since 2×275127627065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27512762702 + ... + 27512762711.

It is an arithmetic number, because the mean of its divisors is an integer number (82538288121).

Almost surely, 2^275127627065 is an apocalyptic number.

It is an amenable number.

275127627065 is a deficient number, since it is larger than the sum of its proper divisors (55025525419).

275127627065 is an equidigital number, since it uses as much as digits as its factorization.

275127627065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55025525418.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 275127627065 in words is "two hundred seventy-five billion, one hundred twenty-seven million, six hundred twenty-seven thousand, sixty-five".