876666 has 16 divisors (see below), whose sum is σ = 2003904. Its totient is φ = 250464.

The previous prime is 876661. The next prime is 876677. The reversal of 876666 is 666678.

876666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (876661) by changing a digit.

876666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10395 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (125244).

2⁸⁷⁶⁶⁶⁶ is an apocalyptic number.

876666 is an abundant number, since it is smaller than the sum of its proper divisors (1127238).

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

876666 is a wasteful number, since it uses less digits than its factorization.

876666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20885.

The product of its digits is 72576, while the sum is 39.

The square root of 876666 is about 936.3044376697. The cubic root of 876666 is about 95.7072243356.

The spelling of 876666 in words is "eight hundred seventy-six thousand, six hundred sixty-six".