27366645007 has 4 divisors (see below), whose sum is σ = 29471771560. Its totient is φ = 25261518456.

The previous prime is 27366645001. The next prime is 27366645011. The reversal of 27366645007 is 70054666372.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27366645007 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 (27366645001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052563257 + ... + 1052563282.

It is an arithmetic number, because the mean of its divisors is an integer number (7367942890).

Almost surely, 2^27366645007 is an apocalyptic number.

27366645007 is a deficient number, since it is larger than the sum of its proper divisors (2105126553).

27366645007 is a wasteful number, since it uses less digits than its factorization.

27366645007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105126552.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 27366645007 in words is "twenty-seven billion, three hundred sixty-six million, six hundred forty-five thousand, seven".