879788 has 24 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 347904.

The previous prime is 879743. The next prime is 879797. The reversal of 879788 is 887978.

It is a congruent number.

It is an unprimeable number.

879788 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 845 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (78988).

2⁸⁷⁹⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

879788 is an abundant number, since it is smaller than the sum of its proper divisors (1015924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879788 is a wasteful number, since it uses less digits than its factorization.

879788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2439 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 879788 is about 937.9701487787. The cubic root of 879788 is about 95.8207012125.

The spelling of 879788 in words is "eight hundred seventy-nine thousand, seven hundred eighty-eight".