2772827028 has 18 divisors (see below), whose sum is σ = 7009090634. Its totient is φ = 924275664.

The previous prime is 2772827017. The next prime is 2772827063. The reversal of 2772827028 is 8207282772.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1567209744 + 1205617284 = 39588^2 + 34722^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38511451 + ... + 38511522.

Almost surely, 2^2772827028 is an apocalyptic number.

It is an amenable number.

2772827028 is an abundant number, since it is smaller than the sum of its proper divisors (4236263606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2772827028 is a wasteful number, since it uses less digits than its factorization.

2772827028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77022983 (or 77022978 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 2772827028 is about 52657.6397875940. The cubic root of 2772827028 is about 1404.8854873891.

It can be divided in two parts, 27728 and 27028, that added together give a square (54756 = 234²).

The spelling of 2772827028 in words is "two billion, seven hundred seventy-two million, eight hundred twenty-seven thousand, twenty-eight".