2773656704 has 128 divisors (see below), whose sum is σ = 6837264000. Its totient is φ = 1091395584.

The previous prime is 2773656679. The next prime is 2773656713. The reversal of 2773656704 is 4076563772.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2643572 + ... + 2644620.

It is an arithmetic number, because the mean of its divisors is an integer number (53416125).

Almost surely, 2^2773656704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773656704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3418632000).

2773656704 is an abundant number, since it is smaller than the sum of its proper divisors (4063607296).

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

2773656704 is a wasteful number, since it uses less digits than its factorization.

2773656704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 47.

The square root of 2773656704 is about 52665.5172195242. The cubic root of 2773656704 is about 1405.0255951231.

The spelling of 2773656704 in words is "two billion, seven hundred seventy-three million, six hundred fifty-six thousand, seven hundred four".