2773306765 has 16 divisors (see below), whose sum is σ = 3483802368. Its totient is φ = 2115374976.

The previous prime is 2773306763. The next prime is 2773306807. The reversal of 2773306765 is 5676033772.

2773306765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2773306765 - 2¹ = 2773306763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773306763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529 + ... + 74518.

It is an arithmetic number, because the mean of its divisors is an integer number (217737648).

Almost surely, 2^2773306765 is an apocalyptic number.

It is an amenable number.

2773306765 is a deficient number, since it is larger than the sum of its proper divisors (710495603).

2773306765 is a wasteful number, since it uses less digits than its factorization.

2773306765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77388.

The product of its (nonzero) digits is 1111320, while the sum is 46.

The square root of 2773306765 is about 52662.1948365239. The cubic root of 2773306765 is about 1404.9665041849.

The spelling of 2773306765 in words is "two billion, seven hundred seventy-three million, three hundred six thousand, seven hundred sixty-five".