6782476608 has 126 divisors (see below), whose sum is σ = 20089734522. Its totient is φ = 2187717120.

The previous prime is 6782476523. The next prime is 6782476609. The reversal of 6782476608 is 8066742876.

6782476608 is a `hidden beast` number, since 6 + 7 + 8 + 24 + 7 + 6 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5758988544 + 1023488064 = 75888^2 + 31992^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6782476609) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 547410 + ... + 559662.

Almost surely, 2^6782476608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6782476608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10044867261).

6782476608 is an abundant number, since it is smaller than the sum of its proper divisors (13307257914).

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

6782476608 is a wasteful number, since it uses less digits than its factorization.

6782476608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333 (or 12289 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 6782476608 is about 82355.7928017210. The cubic root of 6782476608 is about 1892.9076869431.

The spelling of 6782476608 in words is "six billion, seven hundred eighty-two million, four hundred seventy-six thousand, six hundred eight".