828473458717 has 2 divisors, whose sum is σ = 828473458718. Its totient is φ = 828473458716.

The previous prime is 828473458669. The next prime is 828473458721. The reversal of 828473458717 is 717854374828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783966805561 + 44506653156 = 885419^2 + 210966^2 .

It is a cyclic number.

It is not a de Polignac number, because 828473458717 - 2¹¹ = 828473456669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828473458117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414236729358 + 414236729359.

It is an arithmetic number, because the mean of its divisors is an integer number (414236729359).

Almost surely, 2^828473458717 is an apocalyptic number.

It is an amenable number.

828473458717 is a deficient number, since it is larger than the sum of its proper divisors (1).

828473458717 is an equidigital number, since it uses as much as digits as its factorization.

828473458717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84295680, while the sum is 64.

The spelling of 828473458717 in words is "eight hundred twenty-eight billion, four hundred seventy-three million, four hundred fifty-eight thousand, seven hundred seventeen".