6788486385 has 24 divisors (see below), whose sum is σ = 12084731880. Its totient is φ = 3522673152.

The previous prime is 6788486333. The next prime is 6788486449. The reversal of 6788486385 is 5836848876.

6788486385 is a `hidden beast` number, since 6 + 78 + 8 + 486 + 3 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 585978849 + 6202507536 = 24207^2 + 78756^2 .

It is not a de Polignac number, because 6788486385 - 2⁸ = 6788486129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2036920 + ... + 2040249.

It is an arithmetic number, because the mean of its divisors is an integer number (503530495).

Almost surely, 2^6788486385 is an apocalyptic number.

It is an amenable number.

6788486385 is a deficient number, since it is larger than the sum of its proper divisors (5296245495).

6788486385 is a wasteful number, since it uses less digits than its factorization.

6788486385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077217 (or 4077214 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The square root of 6788486385 is about 82392.2713911930. The cubic root of 6788486385 is about 1893.4666073990.

The spelling of 6788486385 in words is "six billion, seven hundred eighty-eight million, four hundred eighty-six thousand, three hundred eighty-five".