2772660868 has 24 divisors (see below), whose sum is σ = 5027520960. Its totient is φ = 1337113440.

The previous prime is 2772660857. The next prime is 2772660871. The reversal of 2772660868 is 8680662772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98328 + ... + 123343.

It is an arithmetic number, because the mean of its divisors is an integer number (209480040).

Almost surely, 2^2772660868 is an apocalyptic number.

It is an amenable number.

2772660868 is a deficient number, since it is larger than the sum of its proper divisors (2254860092).

2772660868 is a wasteful number, since it uses less digits than its factorization.

2772660868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221787 (or 221785 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 2772660868 is about 52656.0620251838. The cubic root of 2772660868 is about 1404.8574245212.

The spelling of 2772660868 in words is "two billion, seven hundred seventy-two million, six hundred sixty thousand, eight hundred sixty-eight".