2771474666 has 8 divisors (see below), whose sum is σ = 4162229220. Its totient is φ = 1384064928.

The previous prime is 2771474633. The next prime is 2771474669. The reversal of 2771474666 is 6664741772.

It can be written as a sum of positive squares in 2 ways, for example, as 2768338225 + 3136441 = 52615^2 + 1771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2771474669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834131 + ... + 837446.

Almost surely, 2^2771474666 is an apocalyptic number.

2771474666 is a deficient number, since it is larger than the sum of its proper divisors (1390754554).

2771474666 is a wasteful number, since it uses less digits than its factorization.

2771474666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672408.

The product of its digits is 2370816, while the sum is 50.

The square root of 2771474666 is about 52644.7971408381. The cubic root of 2771474666 is about 1404.6570535335.

The spelling of 2771474666 in words is "two billion, seven hundred seventy-one million, four hundred seventy-four thousand, six hundred sixty-six".