828345967 has 4 divisors (see below), whose sum is σ = 828805176. Its totient is φ = 827886760.

The previous prime is 828345929. The next prime is 828346033. The reversal of 828345967 is 769543828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828345967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828345367) 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 in 3 ways as a sum of consecutive naturals, for example, 226888 + ... + 230509.

It is an arithmetic number, because the mean of its divisors is an integer number (207201294).

Almost surely, 2^828345967 is an apocalyptic number.

828345967 is a deficient number, since it is larger than the sum of its proper divisors (459209).

828345967 is a wasteful number, since it uses less digits than its factorization.

828345967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459208.

The product of its digits is 2903040, while the sum is 52.

The square root of 828345967 is about 28781.0001042354. Note that the first 3 decimals coincide. The cubic root of 828345967 is about 939.1549546691.

The spelling of 828345967 in words is "eight hundred twenty-eight million, three hundred forty-five thousand, nine hundred sixty-seven".