27960966609 has 8 divisors (see below), whose sum is σ = 37283104320. Its totient is φ = 18639736656.

The previous prime is 27960966559. The next prime is 27960966611. The reversal of 27960966609 is 90666906972.

It is a happy number.

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

It is not a de Polignac number, because 27960966609 - 2²⁰ = 27959918033 is a prime.

It is a super-2 number, since 2×27960966609² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27960966619) 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, 151482 + ... + 280835.

It is an arithmetic number, because the mean of its divisors is an integer number (4660388040).

Almost surely, 2^27960966609 is an apocalyptic number.

It is an amenable number.

27960966609 is a deficient number, since it is larger than the sum of its proper divisors (9322137711).

27960966609 is a wasteful number, since it uses less digits than its factorization.

27960966609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453879.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 27960966609 in words is "twenty-seven billion, nine hundred sixty million, nine hundred sixty-six thousand, six hundred nine".