6778425852 has 36 divisors (see below), whose sum is σ = 18692023896. Its totient is φ = 2054068320.

The previous prime is 6778425847. The next prime is 6778425853. The reversal of 6778425852 is 2585248776.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778425853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8558223 + ... + 8559014.

It is an arithmetic number, because the mean of its divisors is an integer number (519222886).

Almost surely, 2^6778425852 is an apocalyptic number.

It is an amenable number.

6778425852 is an abundant number, since it is smaller than the sum of its proper divisors (11913598044).

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

6778425852 is a wasteful number, since it uses less digits than its factorization.

6778425852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17117258 (or 17117253 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 6778425852 is about 82331.1961045144. The cubic root of 6778425852 is about 1892.5307727959.

It can be divided in two parts, 67784 and 25852, that added together give a square (93636 = 306²).

The spelling of 6778425852 in words is "six billion, seven hundred seventy-eight million, four hundred twenty-five thousand, eight hundred fifty-two".