6861278114 has 8 divisors (see below), whose sum is σ = 10367041068. Its totient is φ = 3405597760.

The previous prime is 6861278111. The next prime is 6861278129. The reversal of 6861278114 is 4118721686.

It can be written as a sum of positive squares in 2 ways, for example, as 6655785889 + 205492225 = 81583^2 + 14335^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6861278111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12520307 + ... + 12520854.

Almost surely, 2^6861278114 is an apocalyptic number.

6861278114 is a deficient number, since it is larger than the sum of its proper divisors (3505762954).

6861278114 is a wasteful number, since it uses less digits than its factorization.

6861278114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25041300.

The product of its digits is 129024, while the sum is 44.

The square root of 6861278114 is about 82832.8323432200. The cubic root of 6861278114 is about 1900.2103288858.

The spelling of 6861278114 in words is "six billion, eight hundred sixty-one million, two hundred seventy-eight thousand, one hundred fourteen".