27953000797 has 2 divisors, whose sum is σ = 27953000798. Its totient is φ = 27953000796.

The previous prime is 27953000783. The next prime is 27953000807. The reversal of 27953000797 is 79700035972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20994271236 + 6958729561 = 144894^2 + 83419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27953000797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27953000797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27953000767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13976500398 + 13976500399.

It is an arithmetic number, because the mean of its divisors is an integer number (13976500399).

Almost surely, 2^27953000797 is an apocalyptic number.

It is an amenable number.

27953000797 is a deficient number, since it is larger than the sum of its proper divisors (1).

27953000797 is an equidigital number, since it uses as much as digits as its factorization.

27953000797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 833490, while the sum is 49.

The spelling of 27953000797 in words is "twenty-seven billion, nine hundred fifty-three million, seven hundred ninety-seven", and thus it is an aban number.