27164772007 has 2 divisors, whose sum is σ = 27164772008. Its totient is φ = 27164772006.

The previous prime is 27164771993. The next prime is 27164772029. The reversal of 27164772007 is 70027746172.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27164772007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27164772067) by changing a digit.

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 as a sum of consecutive naturals, namely, 13582386003 + 13582386004.

It is an arithmetic number, because the mean of its divisors is an integer number (13582386004).

Almost surely, 2^27164772007 is an apocalyptic number.

27164772007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27164772007 is an equidigital number, since it uses as much as digits as its factorization.

27164772007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230496, while the sum is 43.

The spelling of 27164772007 in words is "twenty-seven billion, one hundred sixty-four million, seven hundred seventy-two thousand, seven".