6848847991 has 16 divisors (see below), whose sum is σ = 7025616000. Its totient is φ = 6674024448.

The previous prime is 6848847983. The next prime is 6848848001. The reversal of 6848847991 is 1997488486.

It is a cyclic number.

It is not a de Polignac number, because 6848847991 - 2³ = 6848847983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6848847791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6591250 + ... + 6592288.

It is an arithmetic number, because the mean of its divisors is an integer number (439101000).

Almost surely, 2^6848847991 is an apocalyptic number.

6848847991 is a deficient number, since it is larger than the sum of its proper divisors (176768009).

6848847991 is a wasteful number, since it uses less digits than its factorization.

6848847991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818.

The product of its digits is 27869184, while the sum is 64.

The square root of 6848847991 is about 82757.7669527157. The cubic root of 6848847991 is about 1899.0621401859.

The spelling of 6848847991 in words is "six billion, eight hundred forty-eight million, eight hundred forty-seven thousand, nine hundred ninety-one".