2944772866 has 16 divisors (see below), whose sum is σ = 5061371904. Its totient is φ = 1258748064.

The previous prime is 2944772849. The next prime is 2944772879. The reversal of 2944772866 is 6682774492.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269235 + ... + 279958.

It is an arithmetic number, because the mean of its divisors is an integer number (316335744).

Almost surely, 2^2944772866 is an apocalyptic number.

2944772866 is a deficient number, since it is larger than the sum of its proper divisors (2116599038).

2944772866 is a wasteful number, since it uses less digits than its factorization.

2944772866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549585.

The product of its digits is 8128512, while the sum is 55.

The square root of 2944772866 is about 54265.7614523191. The cubic root of 2944772866 is about 1433.3445548187.

The spelling of 2944772866 in words is "two billion, nine hundred forty-four million, seven hundred seventy-two thousand, eight hundred sixty-six".