2772657538 has 16 divisors (see below), whose sum is σ = 4770293184. Its totient is φ = 1183990320.

The previous prime is 2772657533. The next prime is 2772657541. The reversal of 2772657538 is 8357562772.

It is not an unprimeable number, because it can be changed into a prime (2772657533) 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, 353608 + ... + 361363.

It is an arithmetic number, because the mean of its divisors is an integer number (298143324).

Almost surely, 2^2772657538 is an apocalyptic number.

2772657538 is a deficient number, since it is larger than the sum of its proper divisors (1997635646).

2772657538 is a wasteful number, since it uses less digits than its factorization.

2772657538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715257.

The product of its digits is 4939200, while the sum is 52.

The square root of 2772657538 is about 52656.0304048834. The cubic root of 2772657538 is about 1404.8568621039.

It can be divided in two parts, 27726 and 57538, that added together give a square (85264 = 292²).

The spelling of 2772657538 in words is "two billion, seven hundred seventy-two million, six hundred fifty-seven thousand, five hundred thirty-eight".