6476980728 has 16 divisors (see below), whose sum is σ = 16192451880. Its totient is φ = 2158993568.

The previous prime is 6476980693. The next prime is 6476980759. The reversal of 6476980728 is 8270896746.

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, 134937075 + ... + 134937122.

Almost surely, 2^6476980728 is an apocalyptic number.

It is an amenable number.

6476980728 is an abundant number, since it is smaller than the sum of its proper divisors (9715471152).

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

6476980728 is a wasteful number, since it uses less digits than its factorization.

6476980728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269874206 (or 269874202 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The square root of 6476980728 is about 80479.6914009988. The cubic root of 6476980728 is about 1864.0499036478.

The spelling of 6476980728 in words is "six billion, four hundred seventy-six million, nine hundred eighty thousand, seven hundred twenty-eight".