879687 has 16 divisors (see below), whose sum is σ = 1346560. Its totient is φ = 567000.

The previous prime is 879679. The next prime is 879689. The reversal of 879687 is 786978.

It is not a de Polignac number, because 879687 - 2³ = 879679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (84160).

2⁸⁷⁹⁶⁸⁷ is an apocalyptic number.

879687 is a deficient number, since it is larger than the sum of its proper divisors (466873).

879687 is a wasteful number, since it uses less digits than its factorization.

879687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1085 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 879687 is about 937.9163075669. The cubic root of 879687 is about 95.8170343211.

The spelling of 879687 in words is "eight hundred seventy-nine thousand, six hundred eighty-seven".