828878023 has 2 divisors, whose sum is σ = 828878024. Its totient is φ = 828878022.

The previous prime is 828878009. The next prime is 828878101. The reversal of 828878023 is 320878828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828878023 - 2¹³ = 828869831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828870023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414439011 + 414439012.

It is an arithmetic number, because the mean of its divisors is an integer number (414439012).

Almost surely, 2^828878023 is an apocalyptic number.

828878023 is a deficient number, since it is larger than the sum of its proper divisors (1).

828878023 is an equidigital number, since it uses as much as digits as its factorization.

828878023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 828878023 is about 28790.2418016939. The cubic root of 828878023 is about 939.3559882560.

The spelling of 828878023 in words is "eight hundred twenty-eight million, eight hundred seventy-eight thousand, twenty-three".