2770765405 has 32 divisors (see below), whose sum is σ = 3416235264. Its totient is φ = 2156929536.

The previous prime is 2770765397. The next prime is 2770765427. The reversal of 2770765405 is 5045670772.

It is a cyclic number.

It is not a de Polignac number, because 2770765405 - 2³ = 2770765397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12205902 + ... + 12206128.

It is an arithmetic number, because the mean of its divisors is an integer number (106757352).

Almost surely, 2^2770765405 is an apocalyptic number.

It is an amenable number.

2770765405 is a deficient number, since it is larger than the sum of its proper divisors (645469859).

2770765405 is a wasteful number, since it uses less digits than its factorization.

2770765405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 2770765405 is about 52638.0604220938. The cubic root of 2770765405 is about 1404.5372191992.

The spelling of 2770765405 in words is "two billion, seven hundred seventy million, seven hundred sixty-five thousand, four hundred five".