2775348247 has 4 divisors (see below), whose sum is σ = 3171826576. Its totient is φ = 2378869920.

The previous prime is 2775348239. The next prime is 2775348271. The reversal of 2775348247 is 7428435772.

2775348247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2775348247 - 2³ = 2775348239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2775348247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775348217) 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, 198239154 + ... + 198239167.

It is an arithmetic number, because the mean of its divisors is an integer number (792956644).

Almost surely, 2^2775348247 is an apocalyptic number.

2775348247 is a deficient number, since it is larger than the sum of its proper divisors (396478329).

2775348247 is an equidigital number, since it uses as much as digits as its factorization.

2775348247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396478328.

The product of its digits is 2634240, while the sum is 49.

The square root of 2775348247 is about 52681.5740748129. The cubic root of 2775348247 is about 1405.3111601712.

The spelling of 2775348247 in words is "two billion, seven hundred seventy-five million, three hundred forty-eight thousand, two hundred forty-seven".