828444047 has 2 divisors, whose sum is σ = 828444048. Its totient is φ = 828444046.

The previous prime is 828444013. The next prime is 828444053. The reversal of 828444047 is 740444828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 828444047 - 2²⁸ = 560008591 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 828443995 and 828444013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828444847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414222023 + 414222024.

It is an arithmetic number, because the mean of its divisors is an integer number (414222024).

Almost surely, 2^828444047 is an apocalyptic number.

828444047 is a deficient number, since it is larger than the sum of its proper divisors (1).

828444047 is an equidigital number, since it uses as much as digits as its factorization.

828444047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229376, while the sum is 41.

The square root of 828444047 is about 28782.7039556745. The cubic root of 828444047 is about 939.1920199721.

The spelling of 828444047 in words is "eight hundred twenty-eight million, four hundred forty-four thousand, forty-seven".