828533999 has 2 divisors, whose sum is σ = 828534000. Its totient is φ = 828533998.

The previous prime is 828533963. The next prime is 828534017. The reversal of 828533999 is 999335828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 828533999 - 2²⁸ = 560098543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828533099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414266999 + 414267000.

It is an arithmetic number, because the mean of its divisors is an integer number (414267000).

Almost surely, 2^828533999 is an apocalyptic number.

828533999 is a deficient number, since it is larger than the sum of its proper divisors (1).

828533999 is an equidigital number, since it uses as much as digits as its factorization.

828533999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 56.

The square root of 828533999 is about 28784.2665183603. The cubic root of 828533999 is about 939.2260110599.

The spelling of 828533999 in words is "eight hundred twenty-eight million, five hundred thirty-three thousand, nine hundred ninety-nine".