855564418 has 8 divisors (see below), whose sum is σ = 1283471100. Its totient is φ = 427740720.

The previous prime is 855564401. The next prime is 855564427. The reversal of 855564418 is 814465558.

855564418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 832495609 + 23068809 = 28853^2 + 4803^2 .

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

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, 27108 + ... + 49456.

Almost surely, 2^855564418 is an apocalyptic number.

855564418 is a deficient number, since it is larger than the sum of its proper divisors (427906682).

855564418 is a wasteful number, since it uses less digits than its factorization.

855564418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41492.

The product of its digits is 768000, while the sum is 46.

The square root of 855564418 is about 29250.0327863064. The cubic root of 855564418 is about 949.3308003655.

The spelling of 855564418 in words is "eight hundred fifty-five million, five hundred sixty-four thousand, four hundred eighteen".