28027527802517 has 2 divisors, whose sum is σ = 28027527802518. Its totient is φ = 28027527802516.

The previous prime is 28027527802487. The next prime is 28027527802523. The reversal of 28027527802517 is 71520872572082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25542825028081 + 2484702774436 = 5053991^2 + 1576294^2 .

It is a cyclic number.

It is not a de Polignac number, because 28027527802517 - 2¹⁴ = 28027527786133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28027527805517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013763901258 + 14013763901259.

It is an arithmetic number, because the mean of its divisors is an integer number (14013763901259).

Almost surely, 2^{28027527802517} is an apocalyptic number.

It is an amenable number.

28027527802517 is a deficient number, since it is larger than the sum of its proper divisors (1).

28027527802517 is an equidigital number, since it uses as much as digits as its factorization.

28027527802517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 28027527802517 in words is "twenty-eight trillion, twenty-seven billion, five hundred twenty-seven million, eight hundred two thousand, five hundred seventeen".