879587 has 4 divisors (see below), whose sum is σ = 889560. Its totient is φ = 869616.

The previous prime is 879583. The next prime is 879607. The reversal of 879587 is 785978.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 879587 - 2² = 879583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879581) 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 3 ways as a sum of consecutive naturals, for example, 4853 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (222390).

2⁸⁷⁹⁵⁸⁷ is an apocalyptic number.

879587 is a deficient number, since it is larger than the sum of its proper divisors (9973).

879587 is an equidigital number, since it uses as much as digits as its factorization.

879587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972.

The product of its digits is 141120, while the sum is 44.

The square root of 879587 is about 937.8629963913. The cubic root of 879587 is about 95.8134034590.

The spelling of 879587 in words is "eight hundred seventy-nine thousand, five hundred eighty-seven".