2772798876 has 18 divisors (see below), whose sum is σ = 7009019472. Its totient is φ = 924266280.

The previous prime is 2772798863. The next prime is 2772798893. The reversal of 2772798876 is 6788972772.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38511060 + ... + 38511131.

Almost surely, 2^2772798876 is an apocalyptic number.

It is an amenable number.

2772798876 is an abundant number, since it is smaller than the sum of its proper divisors (4236220596).

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

2772798876 is a wasteful number, since it uses less digits than its factorization.

2772798876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77022201 (or 77022196 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 63.

The square root of 2772798876 is about 52657.3724752764. The cubic root of 2772798876 is about 1404.8807328588.

The spelling of 2772798876 in words is "two billion, seven hundred seventy-two million, seven hundred ninety-eight thousand, eight hundred seventy-six".