6670843871 has 8 divisors (see below), whose sum is σ = 6939004800. Its totient is φ = 6405225120.

The previous prime is 6670843793. The next prime is 6670843889. The reversal of 6670843871 is 1783480766.

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

It is a cyclic number.

It is not a de Polignac number, because 6670843871 - 2¹⁸ = 6670581727 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 (6670843771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630191 + ... + 640688.

It is an arithmetic number, because the mean of its divisors is an integer number (867375600).

Almost surely, 2^6670843871 is an apocalyptic number.

6670843871 is a deficient number, since it is larger than the sum of its proper divisors (268160929).

6670843871 is a wasteful number, since it uses less digits than its factorization.

6670843871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271089.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 6670843871 is about 81675.2341349567. The cubic root of 6670843871 is about 1882.4650656675.

The spelling of 6670843871 in words is "six billion, six hundred seventy million, eight hundred forty-three thousand, eight hundred seventy-one".