828296668891 has 2 divisors, whose sum is σ = 828296668892. Its totient is φ = 828296668890.

The previous prime is 828296668889. The next prime is 828296668951. The reversal of 828296668891 is 198866692828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828296668891 - 2¹ = 828296668889 is a prime.

Together with 828296668889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (828296663891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414148334445 + 414148334446.

It is an arithmetic number, because the mean of its divisors is an integer number (414148334446).

Almost surely, 2^828296668891 is an apocalyptic number.

828296668891 is a deficient number, since it is larger than the sum of its proper divisors (1).

828296668891 is an equidigital number, since it uses as much as digits as its factorization.

828296668891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286654464, while the sum is 73.

The spelling of 828296668891 in words is "eight hundred twenty-eight billion, two hundred ninety-six million, six hundred sixty-eight thousand, eight hundred ninety-one".