2766894947 has 2 divisors, whose sum is σ = 2766894948. Its totient is φ = 2766894946.

The previous prime is 2766894929. The next prime is 2766894953. The reversal of 2766894947 is 7494986672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2766894947 - 2¹⁰ = 2766893923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2766894947.

It is not a weakly prime, because it can be changed into another prime (2766894997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383447473 + 1383447474.

It is an arithmetic number, because the mean of its divisors is an integer number (1383447474).

Almost surely, 2^2766894947 is an apocalyptic number.

2766894947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2766894947 is an equidigital number, since it uses as much as digits as its factorization.

2766894947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 62.

The square root of 2766894947 is about 52601.2827505185. The cubic root of 2766894947 is about 1403.8829191835.

The spelling of 2766894947 in words is "two billion, seven hundred sixty-six million, eight hundred ninety-four thousand, nine hundred forty-seven".