3886270665 has 8 divisors (see below), whose sum is σ = 6218033088. Its totient is φ = 2072677680.

The previous prime is 3886270637. The next prime is 3886270673. The reversal of 3886270665 is 5660726883.

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

It is not a de Polignac number, because 3886270665 - 2⁷ = 3886270537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129542341 + ... + 129542370.

It is an arithmetic number, because the mean of its divisors is an integer number (777254136).

Almost surely, 2^3886270665 is an apocalyptic number.

It is an amenable number.

3886270665 is a deficient number, since it is larger than the sum of its proper divisors (2331762423).

3886270665 is a wasteful number, since it uses less digits than its factorization.

3886270665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259084719.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 3886270665 is about 62339.9604186592. The cubic root of 3886270665 is about 1572.2116671873.

The spelling of 3886270665 in words is "three billion, eight hundred eighty-six million, two hundred seventy thousand, six hundred sixty-five".