7847218054 has 64 divisors (see below), whose sum is σ = 14147965440. Its totient is φ = 3228825600.

The previous prime is 7847218051. The next prime is 7847218061. The reversal of 7847218054 is 4508127487.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7847217995 and 7847218013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7847218051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673579 + ... + 685129.

It is an arithmetic number, because the mean of its divisors is an integer number (221061960).

Almost surely, 2^7847218054 is an apocalyptic number.

7847218054 is a deficient number, since it is larger than the sum of its proper divisors (6300747386).

7847218054 is a wasteful number, since it uses less digits than its factorization.

7847218054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665.

The product of its (nonzero) digits is 501760, while the sum is 46.

The square root of 7847218054 is about 88584.5249126505. The cubic root of 7847218054 is about 1987.1862504038.

The spelling of 7847218054 in words is "seven billion, eight hundred forty-seven million, two hundred eighteen thousand, fifty-four".