27995841793 has 2 divisors, whose sum is σ = 27995841794. Its totient is φ = 27995841792.

The previous prime is 27995841751. The next prime is 27995841857. The reversal of 27995841793 is 39714859972.

It is an a-pointer prime, because the next prime (27995841857) can be obtained adding 27995841793 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14541465744 + 13454376049 = 120588^2 + 115993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27995841793 is a prime.

It is not a weakly prime, because it can be changed into another prime (27995841703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13997920896 + 13997920897.

It is an arithmetic number, because the mean of its divisors is an integer number (13997920897).

Almost surely, 2^27995841793 is an apocalyptic number.

It is an amenable number.

27995841793 is a deficient number, since it is larger than the sum of its proper divisors (1).

27995841793 is an equidigital number, since it uses as much as digits as its factorization.

27995841793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 64.

The spelling of 27995841793 in words is "twenty-seven billion, nine hundred ninety-five million, eight hundred forty-one thousand, seven hundred ninety-three".