6775706385 has 48 divisors (see below), whose sum is σ = 13438204416. Its totient is φ = 3093807744.

The previous prime is 6775706369. The next prime is 6775706389. The reversal of 6775706385 is 5836075776.

6775706385 is a `hidden beast` number, since 6 + 7 + 7 + 570 + 63 + 8 + 5 = 666.

It is not a de Polignac number, because 6775706385 - 2⁴ = 6775706369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6775706389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263992 + ... + 288518.

It is an arithmetic number, because the mean of its divisors is an integer number (279962592).

Almost surely, 2^6775706385 is an apocalyptic number.

It is an amenable number.

6775706385 is a deficient number, since it is larger than the sum of its proper divisors (6662498031).

6775706385 is a wasteful number, since it uses less digits than its factorization.

6775706385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25422 (or 25419 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 54.

The square root of 6775706385 is about 82314.6790372167. The cubic root of 6775706385 is about 1892.2776479790.

The spelling of 6775706385 in words is "six billion, seven hundred seventy-five million, seven hundred six thousand, three hundred eighty-five".