827868852571 has 2 divisors, whose sum is σ = 827868852572. Its totient is φ = 827868852570.

The previous prime is 827868852541. The next prime is 827868852589. The reversal of 827868852571 is 175258868728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 827868852571 - 2⁵ = 827868852539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 827868852497 and 827868852506.

It is not a weakly prime, because it can be changed into another prime (827868852521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413934426285 + 413934426286.

It is an arithmetic number, because the mean of its divisors is an integer number (413934426286).

Almost surely, 2^827868852571 is an apocalyptic number.

827868852571 is a deficient number, since it is larger than the sum of its proper divisors (1).

827868852571 is an equidigital number, since it uses as much as digits as its factorization.

827868852571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120422400, while the sum is 67.

The spelling of 827868852571 in words is "eight hundred twenty-seven billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, five hundred seventy-one".