5678642818 has 8 divisors (see below), whose sum is σ = 8556162048. Its totient is φ = 2826588804.

The previous prime is 5678642813. The next prime is 5678642831. The reversal of 5678642818 is 8182468765.

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

It is a super-2 number, since 2×5678642818² = 64493968508845962248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5678642813) 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, 6365746 + ... + 6366637.

It is an arithmetic number, because the mean of its divisors is an integer number (1069520256).

Almost surely, 2^5678642818 is an apocalyptic number.

5678642818 is a deficient number, since it is larger than the sum of its proper divisors (2877519230).

5678642818 is a wasteful number, since it uses less digits than its factorization.

5678642818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732608.

The product of its digits is 5160960, while the sum is 55.

The square root of 5678642818 is about 75356.7702200672. The cubic root of 5678642818 is about 1784.0821617616.

The spelling of 5678642818 in words is "five billion, six hundred seventy-eight million, six hundred forty-two thousand, eight hundred eighteen".