6847900085 has 8 divisors (see below), whose sum is σ = 8849594040. Its totient is φ = 5056910784.

The previous prime is 6847900079. The next prime is 6847900099. The reversal of 6847900085 is 5800097486.

It can be written as a sum of positive squares in 4 ways, for example, as 1661521 + 6846238564 = 1289^2 + 82742^2 .

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 6847900085 - 2⁴ = 6847900069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52676090 + ... + 52676219.

It is an arithmetic number, because the mean of its divisors is an integer number (1106199255).

Almost surely, 2^6847900085 is an apocalyptic number.

6847900085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6847900085 is a deficient number, since it is larger than the sum of its proper divisors (2001693955).

6847900085 is a wasteful number, since it uses less digits than its factorization.

6847900085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105352327.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 6847900085 is about 82752.0397633799. The cubic root of 6847900085 is about 1898.9745237257.

The spelling of 6847900085 in words is "six billion, eight hundred forty-seven million, nine hundred thousand, eighty-five".