828442829 has 2 divisors, whose sum is σ = 828442830. Its totient is φ = 828442828.

The previous prime is 828442789. The next prime is 828442847. The reversal of 828442829 is 928244828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582015625 + 246427204 = 24125^2 + 15698^2 .

It is a cyclic number.

It is not a de Polignac number, because 828442829 - 2¹² = 828438733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818442829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414221414 + 414221415.

It is an arithmetic number, because the mean of its divisors is an integer number (414221415).

Almost surely, 2^828442829 is an apocalyptic number.

It is an amenable number.

828442829 is a deficient number, since it is larger than the sum of its proper divisors (1).

828442829 is an equidigital number, since it uses as much as digits as its factorization.

828442829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 47.

The square root of 828442829 is about 28782.6827971265. The cubic root of 828442829 is about 939.1915596970.

The spelling of 828442829 in words is "eight hundred twenty-eight million, four hundred forty-two thousand, eight hundred twenty-nine".