876521868 has 48 divisors (see below), whose sum is σ = 2118466560. Its totient is φ = 281736000.

The previous prime is 876521861. The next prime is 876521879. The reversal of 876521868 is 868125678.

876521868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 876521868.

It is not an unprimeable number, because it can be changed into a prime (876521861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448293 + ... + 450243.

It is an arithmetic number, because the mean of its divisors is an integer number (44134720).

Almost surely, 2^876521868 is an apocalyptic number.

It is an amenable number.

876521868 is an abundant number, since it is smaller than the sum of its proper divisors (1241944692).

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

876521868 is a wasteful number, since it uses less digits than its factorization.

876521868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 3276 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 876521868 is about 29606.1120041116. The cubic root of 876521868 is about 957.0197899710.

The spelling of 876521868 in words is "eight hundred seventy-six million, five hundred twenty-one thousand, eight hundred sixty-eight".