828000839 has 2 divisors, whose sum is σ = 828000840. Its totient is φ = 828000838.

The previous prime is 828000773. The next prime is 828000841. The reversal of 828000839 is 938000828.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828000839 is a prime.

Together with 828000841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828009839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414000419 + 414000420.

It is an arithmetic number, because the mean of its divisors is an integer number (414000420).

Almost surely, 2^828000839 is an apocalyptic number.

828000839 is a deficient number, since it is larger than the sum of its proper divisors (1).

828000839 is an equidigital number, since it uses as much as digits as its factorization.

828000839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 828000839 is about 28775.0037185054. The cubic root of 828000839 is about 939.0245044666.

The spelling of 828000839 in words is "eight hundred twenty-eight million, eight hundred thirty-nine", and thus it is an aban number.