2118800679 has 8 divisors (see below), whose sum is σ = 2916198912. Its totient is φ = 1366968120.

The previous prime is 2118800669. The next prime is 2118800683. The reversal of 2118800679 is 9760088112.

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

It is not a de Polignac number, because 2118800679 - 2²¹ = 2116703527 is a prime.

It is a super-2 number, since 2×2118800679² = 8978632634661722082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2118800679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118800609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11391309 + ... + 11391494.

It is an arithmetic number, because the mean of its divisors is an integer number (364524864).

Almost surely, 2^2118800679 is an apocalyptic number.

2118800679 is a deficient number, since it is larger than the sum of its proper divisors (797398233).

2118800679 is a wasteful number, since it uses less digits than its factorization.

2118800679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22782837.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 2118800679 is about 46030.4320966032. The cubic root of 2118800679 is about 1284.3893658341.

The spelling of 2118800679 in words is "two billion, one hundred eighteen million, eight hundred thousand, six hundred seventy-nine".