828979678 has 32 divisors (see below), whose sum is σ = 1294704000. Its totient is φ = 397852416.

The previous prime is 828979667. The next prime is 828979699. The reversal of 828979678 is 876979828.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1152603 + ... + 1153321.

It is an arithmetic number, because the mean of its divisors is an integer number (40459500).

Almost surely, 2^828979678 is an apocalyptic number.

828979678 is a deficient number, since it is larger than the sum of its proper divisors (465724322).

828979678 is a wasteful number, since it uses less digits than its factorization.

828979678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its digits is 24385536, while the sum is 64.

The square root of 828979678 is about 28792.0071894962. The cubic root of 828979678 is about 939.3943880876.

The spelling of 828979678 in words is "eight hundred twenty-eight million, nine hundred seventy-nine thousand, six hundred seventy-eight".