879668 has 6 divisors (see below), whose sum is σ = 1539426. Its totient is φ = 439832.

The previous prime is 879667. The next prime is 879673. The reversal of 879668 is 866978.

879668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 29584 = 922^2 + 172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109955 + ... + 109962.

It is an arithmetic number, because the mean of its divisors is an integer number (256571).

2⁸⁷⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

879668 is a deficient number, since it is larger than the sum of its proper divisors (659758).

879668 is a wasteful number, since it uses less digits than its factorization.

879668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219921 (or 219919 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 879668 is about 937.9061786767. The cubic root of 879668 is about 95.8163444785.

The spelling of 879668 in words is "eight hundred seventy-nine thousand, six hundred sixty-eight".