2765000027 has 4 divisors (see below), whose sum is σ = 2766099336. Its totient is φ = 2763900720.

The previous prime is 2764999997. The next prime is 2765000053. The reversal of 2765000027 is 7200005672.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2765000027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2765000527) by changing a digit.

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, 545873 + ... + 550914.

It is an arithmetic number, because the mean of its divisors is an integer number (691524834).

Almost surely, 2^2765000027 is an apocalyptic number.

2765000027 is a deficient number, since it is larger than the sum of its proper divisors (1099309).

2765000027 is a wasteful number, since it uses less digits than its factorization.

2765000027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099308.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 2765000027 is about 52583.2675572753. The cubic root of 2765000027 is about 1403.5623608926.

Adding to 2765000027 its reverse (7200005672), we get a palindrome (9965005699).

The spelling of 2765000027 in words is "two billion, seven hundred sixty-five million, twenty-seven", and thus it is an aban number.