7847218260 has 144 divisors (see below), whose sum is σ = 27939090816. Its totient is φ = 1745162496.

The previous prime is 7847218259. The next prime is 7847218289. The reversal of 7847218260 is 628127487.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 37542 + ... + 130781.

It is an arithmetic number, because the mean of its divisors is an integer number (194021464).

Almost surely, 2^7847218260 is an apocalyptic number.

7847218260 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7847218260 is an abundant number, since it is smaller than the sum of its proper divisors (20091872556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7847218260 is a wasteful number, since it uses less digits than its factorization.

7847218260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168382 (or 168377 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 7847218260 is about 88584.5260753818. The cubic root of 7847218260 is about 1987.1862677925.

The spelling of 7847218260 in words is "seven billion, eight hundred forty-seven million, two hundred eighteen thousand, two hundred sixty".