6886785394 has 16 divisors (see below), whose sum is σ = 10558175040. Its totient is φ = 3368215600.

The previous prime is 6886785349. The next prime is 6886785431. The reversal of 6886785394 is 4935876886.

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, 188614 + ... + 222145.

It is an arithmetic number, because the mean of its divisors is an integer number (659885940).

Almost surely, 2^6886785394 is an apocalyptic number.

6886785394 is a deficient number, since it is larger than the sum of its proper divisors (3671389646).

6886785394 is a wasteful number, since it uses less digits than its factorization.

6886785394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410945.

The product of its digits is 69672960, while the sum is 64.

The square root of 6886785394 is about 82986.6579276452. The cubic root of 6886785394 is about 1902.5621384327.

The spelling of 6886785394 in words is "six billion, eight hundred eighty-six million, seven hundred eighty-five thousand, three hundred ninety-four".