876666666 has 16 divisors (see below), whose sum is σ = 1829565504. Its totient is φ = 279516864.

The previous prime is 876666647. The next prime is 876666677. The reversal of 876666666 is 666666678.

It is a happy number.

876666666 is a modest number, since divided by 66666 gives 8766 as remainder.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176191 + ... + 3176466.

It is an arithmetic number, because the mean of its divisors is an integer number (114347844).

Almost surely, 2^876666666 is an apocalyptic number.

876666666 is an abundant number, since it is smaller than the sum of its proper divisors (952898838).

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

876666666 is a wasteful number, since it uses less digits than its factorization.

876666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352685.

The product of its digits is 15676416, while the sum is 57.

The square root of 876666666 is about 29608.5573103453. The cubic root of 876666666 is about 957.0724857172.

The spelling of 876666666 in words is "eight hundred seventy-six million, six hundred sixty-six thousand, six hundred sixty-six".