2277772738 has 16 divisors (see below), whose sum is σ = 3428154720. Its totient is φ = 1135061856.

The previous prime is 2277772733. The next prime is 2277772769. The reversal of 2277772738 is 8372777722.

It is not an unprimeable number, because it can be changed into a prime (2277772733) 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 in 7 ways as a sum of consecutive naturals, for example, 1064806 + ... + 1066942.

It is an arithmetic number, because the mean of its divisors is an integer number (214259670).

Almost surely, 2^2277772738 is an apocalyptic number.

2277772738 is a deficient number, since it is larger than the sum of its proper divisors (1150381982).

2277772738 is a wasteful number, since it uses less digits than its factorization.

2277772738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its digits is 3226944, while the sum is 52.

The square root of 2277772738 is about 47726.0174118897. The cubic root of 2277772738 is about 1315.7401584308.

The spelling of 2277772738 in words is "two billion, two hundred seventy-seven million, seven hundred seventy-two thousand, seven hundred thirty-eight".