28325241277 has 2 divisors, whose sum is σ = 28325241278. Its totient is φ = 28325241276.

The previous prime is 28325241251. The next prime is 28325241283. The reversal of 28325241277 is 77214252382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14516876196 + 13808365081 = 120486^2 + 117509^2 .

It is a cyclic number.

It is not a de Polignac number, because 28325241277 - 2¹⁹ = 28324716989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28325241227) 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, 14162620638 + 14162620639.

It is an arithmetic number, because the mean of its divisors is an integer number (14162620639).

Almost surely, 2^28325241277 is an apocalyptic number.

It is an amenable number.

28325241277 is a deficient number, since it is larger than the sum of its proper divisors (1).

28325241277 is an equidigital number, since it uses as much as digits as its factorization.

28325241277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 43.

The spelling of 28325241277 in words is "twenty-eight billion, three hundred twenty-five million, two hundred forty-one thousand, two hundred seventy-seven".