827642276213 has 2 divisors, whose sum is σ = 827642276214. Its totient is φ = 827642276212.

The previous prime is 827642276207. The next prime is 827642276231. The reversal of 827642276213 is 312672246728.

827642276213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (827642276231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751727148484 + 75915127729 = 867022^2 + 275527^2 .

It is a cyclic number.

It is not a de Polignac number, because 827642276213 - 2¹² = 827642272117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827641276213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413821138106 + 413821138107.

It is an arithmetic number, because the mean of its divisors is an integer number (413821138107).

Almost surely, 2^827642276213 is an apocalyptic number.

It is an amenable number.

827642276213 is a deficient number, since it is larger than the sum of its proper divisors (1).

827642276213 is an equidigital number, since it uses as much as digits as its factorization.

827642276213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 50.

The spelling of 827642276213 in words is "eight hundred twenty-seven billion, six hundred forty-two million, two hundred seventy-six thousand, two hundred thirteen".