2875220666 has 8 divisors (see below), whose sum is σ = 4328401620. Its totient is φ = 1432420128.

The previous prime is 2875220651. The next prime is 2875220683. The reversal of 2875220666 is 6660225782.

It can be written as a sum of positive squares in 2 ways, for example, as 2875211641 + 9025 = 53621^2 + 95^2 .

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

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, 2594411 + ... + 2595518.

Almost surely, 2^2875220666 is an apocalyptic number.

2875220666 is a deficient number, since it is larger than the sum of its proper divisors (1453180954).

2875220666 is a wasteful number, since it uses less digits than its factorization.

2875220666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190208.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 2875220666 is about 53621.0841553954. The cubic root of 2875220666 is about 1421.9698684009.

The spelling of 2875220666 in words is "two billion, eight hundred seventy-five million, two hundred twenty thousand, six hundred sixty-six".