2776945255 has 16 divisors (see below), whose sum is σ = 3862024704. Its totient is φ = 1877369760.

The previous prime is 2776945231. The next prime is 2776945261. The reversal of 2776945255 is 5525496772.

It is not a de Polignac number, because 2776945255 - 2⁹ = 2776944743 is a prime.

It is a super-2 number, since 2×2776945255² = 15422849898534030050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 556257 + ... + 561226.

It is an arithmetic number, because the mean of its divisors is an integer number (241376544).

Almost surely, 2^2776945255 is an apocalyptic number.

2776945255 is a deficient number, since it is larger than the sum of its proper divisors (1085079449).

2776945255 is a wasteful number, since it uses less digits than its factorization.

2776945255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117566.

The product of its digits is 5292000, while the sum is 52.

The square root of 2776945255 is about 52696.7290730649. The cubic root of 2776945255 is about 1405.5806594230.

The spelling of 2776945255 in words is "two billion, seven hundred seventy-six million, nine hundred forty-five thousand, two hundred fifty-five".