2978382227 has 2 divisors, whose sum is σ = 2978382228. Its totient is φ = 2978382226.

The previous prime is 2978382193. The next prime is 2978382271. The reversal of 2978382227 is 7222838792.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978382227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2978382287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489191113 + 1489191114.

It is an arithmetic number, because the mean of its divisors is an integer number (1489191114).

Almost surely, 2^2978382227 is an apocalyptic number.

2978382227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978382227 is an equidigital number, since it uses as much as digits as its factorization.

2978382227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 2978382227 is about 54574.5565900448. The cubic root of 2978382227 is about 1438.7769687097.

The spelling of 2978382227 in words is "two billion, nine hundred seventy-eight million, three hundred eighty-two thousand, two hundred twenty-seven".