28127396741 has 2 divisors, whose sum is σ = 28127396742. Its totient is φ = 28127396740.

The previous prime is 28127396729. The next prime is 28127396779. The reversal of 28127396741 is 14769372182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22846322500 + 5281074241 = 151150^2 + 72671^2 .

It is a cyclic number.

It is not a de Polignac number, because 28127396741 - 2⁶ = 28127396677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28127396741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28127396441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14063698370 + 14063698371.

It is an arithmetic number, because the mean of its divisors is an integer number (14063698371).

Almost surely, 2^28127396741 is an apocalyptic number.

It is an amenable number.

28127396741 is a deficient number, since it is larger than the sum of its proper divisors (1).

28127396741 is an equidigital number, since it uses as much as digits as its factorization.

28127396741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The spelling of 28127396741 in words is "twenty-eight billion, one hundred twenty-seven million, three hundred ninety-six thousand, seven hundred forty-one".