8528427798857 has 2 divisors, whose sum is σ = 8528427798858. Its totient is φ = 8528427798856.

The previous prime is 8528427798707. The next prime is 8528427798889. The reversal of 8528427798857 is 7588977248258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6389752617616 + 2138675181241 = 2527796^2 + 1462421^2 .

It is a cyclic number.

It is not a de Polignac number, because 8528427798857 - 2²⁰ = 8528426750281 is a prime.

It is not a weakly prime, because it can be changed into another prime (8828427798857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264213899428 + 4264213899429.

It is an arithmetic number, because the mean of its divisors is an integer number (4264213899429).

Almost surely, 2^{8528427798857} is an apocalyptic number.

It is an amenable number.

8528427798857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8528427798857 is an equidigital number, since it uses as much as digits as its factorization.

8528427798857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5057740800, while the sum is 80.

The spelling of 8528427798857 in words is "eight trillion, five hundred twenty-eight billion, four hundred twenty-seven million, seven hundred ninety-eight thousand, eight hundred fifty-seven".