828764441 has 2 divisors, whose sum is σ = 828764442. Its totient is φ = 828764440.

The previous prime is 828764437. The next prime is 828764479. The reversal of 828764441 is 144467828.

828764441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609102400 + 219662041 = 24680^2 + 14821^2 .

It is a cyclic number.

It is not a de Polignac number, because 828764441 - 2² = 828764437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 828764392 and 828764401.

It is not a weakly prime, because it can be changed into another prime (828769441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414382220 + 414382221.

It is an arithmetic number, because the mean of its divisors is an integer number (414382221).

Almost surely, 2^828764441 is an apocalyptic number.

It is an amenable number.

828764441 is a deficient number, since it is larger than the sum of its proper divisors (1).

828764441 is an equidigital number, since it uses as much as digits as its factorization.

828764441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 44.

The square root of 828764441 is about 28788.2691560295. The cubic root of 828764441 is about 939.3130793266.

The spelling of 828764441 in words is "eight hundred twenty-eight million, seven hundred sixty-four thousand, four hundred forty-one".