27605796007 has 4 divisors (see below), whose sum is σ = 27744518800. Its totient is φ = 27467073216.

The previous prime is 27605795999. The next prime is 27605796041. The reversal of 27605796007 is 70069750672.

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 27605796007 - 2³ = 27605795999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27605796707) 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, 69361098 + ... + 69361495.

It is an arithmetic number, because the mean of its divisors is an integer number (6936129700).

Almost surely, 2^27605796007 is an apocalyptic number.

27605796007 is a deficient number, since it is larger than the sum of its proper divisors (138722793).

27605796007 is a wasteful number, since it uses less digits than its factorization.

27605796007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138722792.

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 27605796007 in words is "twenty-seven billion, six hundred five million, seven hundred ninety-six thousand, seven".