2770774247 has 2 divisors, whose sum is σ = 2770774248. Its totient is φ = 2770774246.

The previous prime is 2770774243. The next prime is 2770774249. The reversal of 2770774247 is 7424770772.

2770774247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2770774247 - 2² = 2770774243 is a prime.

Together with 2770774249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2770774241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385387123 + 1385387124.

It is an arithmetic number, because the mean of its divisors is an integer number (1385387124).

Almost surely, 2^2770774247 is an apocalyptic number.

2770774247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770774247 is an equidigital number, since it uses as much as digits as its factorization.

2770774247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075648, while the sum is 47.

The square root of 2770774247 is about 52638.1444106838. The cubic root of 2770774247 is about 1404.5387132394.

The spelling of 2770774247 in words is "two billion, seven hundred seventy million, seven hundred seventy-four thousand, two hundred forty-seven".