828365879 has 12 divisors (see below), whose sum is σ = 935131512. Its totient is φ = 732702960.

The previous prime is 828365869. The next prime is 828365893. The reversal of 828365879 is 978563828.

It is not a de Polignac number, because 828365879 - 2⁸ = 828365623 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 (828365869) 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 11 ways as a sum of consecutive naturals, for example, 88037 + ... + 96990.

It is an arithmetic number, because the mean of its divisors is an integer number (77927626).

Almost surely, 2^828365879 is an apocalyptic number.

828365879 is a deficient number, since it is larger than the sum of its proper divisors (106765633).

828365879 is a wasteful number, since it uses less digits than its factorization.

828365879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185086 (or 185075 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 828365879 is about 28781.3460248127. The cubic root of 828365879 is about 939.1624798274.

The spelling of 828365879 in words is "eight hundred twenty-eight million, three hundred sixty-five thousand, eight hundred seventy-nine".