8418518427 has 16 divisors (see below), whose sum is σ = 12452664960. Its totient is φ = 5015654400.

The previous prime is 8418518413. The next prime is 8418518477. The reversal of 8418518427 is 7248158148.

It is not a de Polignac number, because 8418518427 - 2⁶ = 8418518363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8418518477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2159974 + ... + 2163867.

It is an arithmetic number, because the mean of its divisors is an integer number (778291560).

Almost surely, 2^8418518427 is an apocalyptic number.

8418518427 is a deficient number, since it is larger than the sum of its proper divisors (4034146533).

8418518427 is a wasteful number, since it uses less digits than its factorization.

8418518427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323914.

The product of its digits is 573440, while the sum is 48.

The square root of 8418518427 is about 91752.4845821627. The cubic root of 8418518427 is about 2034.2854316540.

The spelling of 8418518427 in words is "eight billion, four hundred eighteen million, five hundred eighteen thousand, four hundred twenty-seven".