828758069 has 2 divisors, whose sum is σ = 828758070. Its totient is φ = 828758068.

The previous prime is 828758053. The next prime is 828758081. The reversal of 828758069 is 960857828.

828758069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485100625 + 343657444 = 22025^2 + 18538^2 .

It is a cyclic number.

It is not a de Polignac number, because 828758069 - 2⁴ = 828758053 is a prime.

It is a super-2 number, since 2×828758069² = 1373679873865217522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 828758069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828758089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414379034 + 414379035.

It is an arithmetic number, because the mean of its divisors is an integer number (414379035).

Almost surely, 2^828758069 is an apocalyptic number.

It is an amenable number.

828758069 is a deficient number, since it is larger than the sum of its proper divisors (1).

828758069 is an equidigital number, since it uses as much as digits as its factorization.

828758069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 828758069 is about 28788.1584857385. The cubic root of 828758069 is about 939.3106720007.

The spelling of 828758069 in words is "eight hundred twenty-eight million, seven hundred fifty-eight thousand, sixty-nine".