827685146713 has 2 divisors, whose sum is σ = 827685146714. Its totient is φ = 827685146712.

The previous prime is 827685146663. The next prime is 827685146719. The reversal of 827685146713 is 317641586728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791153323024 + 36531823689 = 889468^2 + 191133^2 .

It is a cyclic number.

It is not a de Polignac number, because 827685146713 - 2²⁵ = 827651592281 is a prime.

It is not a weakly prime, because it can be changed into another prime (827685146719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413842573356 + 413842573357.

It is an arithmetic number, because the mean of its divisors is an integer number (413842573357).

Almost surely, 2^827685146713 is an apocalyptic number.

It is an amenable number.

827685146713 is a deficient number, since it is larger than the sum of its proper divisors (1).

827685146713 is an equidigital number, since it uses as much as digits as its factorization.

827685146713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 58.

The spelling of 827685146713 in words is "eight hundred twenty-seven billion, six hundred eighty-five million, one hundred forty-six thousand, seven hundred thirteen".