2879864666 has 8 divisors (see below), whose sum is σ = 4936910880. Its totient is φ = 1234227708.

The previous prime is 2879864621. The next prime is 2879864681. The reversal of 2879864666 is 6664689782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2879864599 and 2879864608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102852296 + ... + 102852323.

It is an arithmetic number, because the mean of its divisors is an integer number (617113860).

Almost surely, 2^2879864666 is an apocalyptic number.

2879864666 is a deficient number, since it is larger than the sum of its proper divisors (2057046214).

2879864666 is a wasteful number, since it uses less digits than its factorization.

2879864666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205704628.

The product of its digits is 41803776, while the sum is 62.

The square root of 2879864666 is about 53664.3705450833. The cubic root of 2879864666 is about 1422.7350358637.

The spelling of 2879864666 in words is "two billion, eight hundred seventy-nine million, eight hundred sixty-four thousand, six hundred sixty-six".