879551 has 4 divisors (see below), whose sum is σ = 890232. Its totient is φ = 868872.

The previous prime is 879539. The next prime is 879553. The reversal of 879551 is 155978.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5216 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (222558).

2⁸⁷⁹⁵⁵¹ is an apocalyptic number.

879551 is a deficient number, since it is larger than the sum of its proper divisors (10681).

879551 is a wasteful number, since it uses less digits than its factorization.

879551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680.

The product of its digits is 12600, while the sum is 35.

The square root of 879551 is about 937.8438036262. The cubic root of 879551 is about 95.8120962813.

The spelling of 879551 in words is "eight hundred seventy-nine thousand, five hundred fifty-one".