6778377384 has 32 divisors (see below), whose sum is σ = 17184623040. Its totient is φ = 2227635200.

The previous prime is 6778377383. The next prime is 6778377391. The reversal of 6778377384 is 4837738776.

It is not an unprimeable number, because it can be changed into a prime (6778377383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1987257 + ... + 1990664.

It is an arithmetic number, because the mean of its divisors is an integer number (537019470).

Almost surely, 2^6778377384 is an apocalyptic number.

It is an amenable number.

6778377384 is an abundant number, since it is smaller than the sum of its proper divisors (10406245656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6778377384 is a wasteful number, since it uses less digits than its factorization.

6778377384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978001 (or 3977997 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 60.

The square root of 6778377384 is about 82330.9017562665. The cubic root of 6778377384 is about 1892.5262620436.

The spelling of 6778377384 in words is "six billion, seven hundred seventy-eight million, three hundred seventy-seven thousand, three hundred eighty-four".