6774085785 has 16 divisors (see below), whose sum is σ = 11212280640. Its totient is φ = 3488264640.

The previous prime is 6774085777. The next prime is 6774085859. The reversal of 6774085785 is 5875804776.

It is not a de Polignac number, because 6774085785 - 2³ = 6774085777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7785871 + ... + 7786740.

It is an arithmetic number, because the mean of its divisors is an integer number (700767540).

Almost surely, 2^6774085785 is an apocalyptic number.

It is an amenable number.

6774085785 is a deficient number, since it is larger than the sum of its proper divisors (4438194855).

6774085785 is a wasteful number, since it uses less digits than its factorization.

6774085785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572648.

The product of its (nonzero) digits is 13171200, while the sum is 57.

The square root of 6774085785 is about 82304.8345177852. The cubic root of 6774085785 is about 1892.1267722127.

The spelling of 6774085785 in words is "six billion, seven hundred seventy-four million, eighty-five thousand, seven hundred eighty-five".