3666775027 has 4 divisors (see below), whose sum is σ = 3667199536. Its totient is φ = 3666350520.

The previous prime is 3666775009. The next prime is 3666775031. The reversal of 3666775027 is 7205776663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3666775027 - 2¹⁹ = 3666250739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666775127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199023 + ... + 216664.

It is an arithmetic number, because the mean of its divisors is an integer number (916799884).

Almost surely, 2^3666775027 is an apocalyptic number.

3666775027 is a deficient number, since it is larger than the sum of its proper divisors (424509).

3666775027 is an equidigital number, since it uses as much as digits as its factorization.

3666775027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424508.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The square root of 3666775027 is about 60553.9018313436. The cubic root of 3666775027 is about 1542.0368599400.

The spelling of 3666775027 in words is "three billion, six hundred sixty-six million, seven hundred seventy-five thousand, twenty-seven".