879068721 has 8 divisors (see below), whose sum is σ = 1173766464. Its totient is φ = 585208400.

The previous prime is 879068719. The next prime is 879068783. The reversal of 879068721 is 127860978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 879068721 - 2¹ = 879068719 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (879068711) 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 in 7 ways as a sum of consecutive naturals, for example, 206901 + ... + 211106.

It is an arithmetic number, because the mean of its divisors is an integer number (146720808).

Almost surely, 2^879068721 is an apocalyptic number.

It is an amenable number.

879068721 is a deficient number, since it is larger than the sum of its proper divisors (294697743).

879068721 is a wasteful number, since it uses less digits than its factorization.

879068721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418711.

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 879068721 is about 29649.0930889968. The cubic root of 879068721 is about 957.9458105281.

The spelling of 879068721 in words is "eight hundred seventy-nine million, sixty-eight thousand, seven hundred twenty-one".