2679286666 has 16 divisors (see below), whose sum is σ = 4863243456. Its totient is φ = 1080720576.

The previous prime is 2679286663. The next prime is 2679286679. The reversal of 2679286666 is 6666829762.

It is a self number, because there is not a number n which added to its sum of digits gives 2679286666.

It is not an unprimeable number, because it can be changed into a prime (2679286663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5628516 + ... + 5628991.

It is an arithmetic number, because the mean of its divisors is an integer number (303952716).

Almost surely, 2^2679286666 is an apocalyptic number.

2679286666 is a deficient number, since it is larger than the sum of its proper divisors (2183956790).

2679286666 is a wasteful number, since it uses less digits than its factorization.

2679286666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257533.

The product of its digits is 15676416, while the sum is 58.

The square root of 2679286666 is about 51761.8263394946. The cubic root of 2679286666 is about 1388.9066615833.

The spelling of 2679286666 in words is "two billion, six hundred seventy-nine million, two hundred eighty-six thousand, six hundred sixty-six".