6866668874 has 16 divisors (see below), whose sum is σ = 11166762600. Its totient is φ = 3147960000.

The previous prime is 6866668859. The next prime is 6866668903. The reversal of 6866668874 is 4788666686.

It can be written as a sum of positive squares in 4 ways, for example, as 2634255625 + 4232413249 = 51325^2 + 65057^2 .

It is a super-3 number, since 3×6866668874³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6866668874.

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, 882377 + ... + 890124.

Almost surely, 2^6866668874 is an apocalyptic number.

6866668874 is a deficient number, since it is larger than the sum of its proper divisors (4300093726).

6866668874 is a wasteful number, since it uses less digits than its factorization.

6866668874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772665.

The product of its digits is 111476736, while the sum is 65.

The square root of 6866668874 is about 82865.3659498346. The cubic root of 6866668874 is about 1900.7078501985.

The spelling of 6866668874 in words is "six billion, eight hundred sixty-six million, six hundred sixty-eight thousand, eight hundred seventy-four".