27865675609 has 8 divisors (see below), whose sum is σ = 28227456000. Its totient is φ = 27504121632.

The previous prime is 27865675589. The next prime is 27865675657. The reversal of 27865675609 is 90657656872.

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

It is a cyclic number.

It is not a de Polignac number, because 27865675609 - 2¹⁵ = 27865642841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27865675109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198552 + ... + 308470.

It is an arithmetic number, because the mean of its divisors is an integer number (3528432000).

Almost surely, 2^27865675609 is an apocalyptic number.

It is an amenable number.

27865675609 is a deficient number, since it is larger than the sum of its proper divisors (361780391).

27865675609 is a wasteful number, since it uses less digits than its factorization.

27865675609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113207.

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 27865675609 in words is "twenty-seven billion, eight hundred sixty-five million, six hundred seventy-five thousand, six hundred nine".