27072324791 has 2 divisors, whose sum is σ = 27072324792. Its totient is φ = 27072324790.

The previous prime is 27072324751. The next prime is 27072324821. The reversal of 27072324791 is 19742327072.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27072324791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27072324751) 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 as a sum of consecutive naturals, namely, 13536162395 + 13536162396.

It is an arithmetic number, because the mean of its divisors is an integer number (13536162396).

Almost surely, 2^27072324791 is an apocalyptic number.

27072324791 is a deficient number, since it is larger than the sum of its proper divisors (1).

27072324791 is an equidigital number, since it uses as much as digits as its factorization.

27072324791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 27072324791 in words is "twenty-seven billion, seventy-two million, three hundred twenty-four thousand, seven hundred ninety-one".