828306047 has 2 divisors, whose sum is σ = 828306048. Its totient is φ = 828306046.

The previous prime is 828306043. The next prime is 828306077. The reversal of 828306047 is 740603828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828306047 - 2² = 828306043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 828306047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828306043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414153023 + 414153024.

It is an arithmetic number, because the mean of its divisors is an integer number (414153024).

Almost surely, 2^828306047 is an apocalyptic number.

828306047 is a deficient number, since it is larger than the sum of its proper divisors (1).

828306047 is an equidigital number, since it uses as much as digits as its factorization.

828306047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 828306047 is about 28780.3065828007. The cubic root of 828306047 is about 939.1398677089.

The spelling of 828306047 in words is "eight hundred twenty-eight million, three hundred six thousand, forty-seven".