6778847383 has 16 divisors (see below), whose sum is σ = 8455668480. Its totient is φ = 5279644800.

The previous prime is 6778847371. The next prime is 6778847443. The reversal of 6778847383 is 3837488776.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6778847383 - 2⁹ = 6778846871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778847363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146028 + ... + 186766.

It is an arithmetic number, because the mean of its divisors is an integer number (528479280).

Almost surely, 2^6778847383 is an apocalyptic number.

6778847383 is a deficient number, since it is larger than the sum of its proper divisors (1676821097).

6778847383 is a wasteful number, since it uses less digits than its factorization.

6778847383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42918.

The product of its digits is 37933056, while the sum is 61.

The square root of 6778847383 is about 82333.7560360269. The cubic root of 6778847383 is about 1892.5700023491.

The spelling of 6778847383 in words is "six billion, seven hundred seventy-eight million, eight hundred forty-seven thousand, three hundred eighty-three".