2775406327 has 4 divisors (see below), whose sum is σ = 2777612040. Its totient is φ = 2773200616.

The previous prime is 2775406313. The next prime is 2775406331. The reversal of 2775406327 is 7236045772.

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

It is a cyclic number.

It is not a de Polignac number, because 2775406327 - 2²³ = 2767017719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775404327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100968 + ... + 1103485.

It is an arithmetic number, because the mean of its divisors is an integer number (694403010).

Almost surely, 2^2775406327 is an apocalyptic number.

2775406327 is a deficient number, since it is larger than the sum of its proper divisors (2205713).

2775406327 is a wasteful number, since it uses less digits than its factorization.

2775406327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205712.

The product of its (nonzero) digits is 493920, while the sum is 43.

The square root of 2775406327 is about 52682.1253083055. The cubic root of 2775406327 is about 1405.3209631335.

The spelling of 2775406327 in words is "two billion, seven hundred seventy-five million, four hundred six thousand, three hundred twenty-seven".