6936777328 has 20 divisors (see below), whose sum is σ = 14473853128. Its totient is φ = 3201589440.

The previous prime is 6936777271. The next prime is 6936777349. The reversal of 6936777328 is 8237776396.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16674738 + ... + 16675153.

Almost surely, 2^6936777328 is an apocalyptic number.

It is an amenable number.

6936777328 is an abundant number, since it is smaller than the sum of its proper divisors (7537075800).

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

6936777328 is a wasteful number, since it uses less digits than its factorization.

6936777328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33349912 (or 33349906 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 58.

The square root of 6936777328 is about 83287.3179301627. The cubic root of 6936777328 is about 1907.1546797722.

The spelling of 6936777328 in words is "six billion, nine hundred thirty-six million, seven hundred seventy-seven thousand, three hundred twenty-eight".