2776949212 has 12 divisors (see below), whose sum is σ = 4860596160. Its totient is φ = 1388207456.

The previous prime is 2776949209. The next prime is 2776949261. The reversal of 2776949212 is 2129496772.

It is a super-2 number, since 2×2776949212² = 15422893852054841888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42412 + ... + 85747.

It is an arithmetic number, because the mean of its divisors is an integer number (405049680).

Almost surely, 2^2776949212 is an apocalyptic number.

It is an amenable number.

2776949212 is a deficient number, since it is larger than the sum of its proper divisors (2083646948).

2776949212 is a wasteful number, since it uses less digits than its factorization.

2776949212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133580 (or 133578 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 2776949212 is about 52696.7666180763. The cubic root of 2776949212 is about 1405.5813270487.

The spelling of 2776949212 in words is "two billion, seven hundred seventy-six million, nine hundred forty-nine thousand, two hundred twelve".