879217408 has 18 divisors (see below), whose sum is σ = 1755000884. Its totient is φ = 439608576.

The previous prime is 879217403. The next prime is 879217463. The reversal of 879217408 is 804712978.

It is not an unprimeable number, because it can be changed into a prime (879217403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716966 + ... + 1717477.

Almost surely, 2^879217408 is an apocalyptic number.

It is an amenable number.

879217408 is a deficient number, since it is larger than the sum of its proper divisors (875783476).

879217408 is an equidigital number, since it uses as much as digits as its factorization.

879217408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434459 (or 3434445 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 879217408 is about 29651.6004289819. The cubic root of 879217408 is about 957.9998169464. Note that the first 3 decimals are identical.

The spelling of 879217408 in words is "eight hundred seventy-nine million, two hundred seventeen thousand, four hundred eight".