875780 has 12 divisors (see below), whose sum is σ = 1839180. Its totient is φ = 350304.

The previous prime is 875779. The next prime is 875783. The reversal of 875780 is 87578.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 334084 = 736^2 + 578^2 .

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 875780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875783) 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, 21875 + ... + 21914.

It is an arithmetic number, because the mean of its divisors is an integer number (153265).

2⁸⁷⁵⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

875780 is an abundant number, since it is smaller than the sum of its proper divisors (963400).

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

875780 is a wasteful number, since it uses less digits than its factorization.

875780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43798 (or 43796 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 875780 is about 935.8311813570. The cubic root of 875780 is about 95.6749713897.

The spelling of 875780 in words is "eight hundred seventy-five thousand, seven hundred eighty".