6704989776 has 120 divisors (see below), whose sum is σ = 19885680360. Its totient is φ = 2105241600.

The previous prime is 6704989763. The next prime is 6704989787. The reversal of 6704989776 is 6779894076.

6704989776 is a `hidden beast` number, since 6 + 70 + 498 + 9 + 7 + 76 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65999376 + 6638990400 = 8124^2 + 81480^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151636 + ... + 190796.

It is an arithmetic number, because the mean of its divisors is an integer number (165714003).

Almost surely, 2^6704989776 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 6704989776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9942840180).

6704989776 is an abundant number, since it is smaller than the sum of its proper divisors (13180690584).

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

6704989776 is a wasteful number, since it uses less digits than its factorization.

6704989776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245 (or 39236 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The square root of 6704989776 is about 81884.0019539837. The cubic root of 6704989776 is about 1885.6715120955.

The spelling of 6704989776 in words is "six billion, seven hundred four million, nine hundred eighty-nine thousand, seven hundred seventy-six".