6478748336 has 20 divisors (see below), whose sum is σ = 12585361152. Its totient is φ = 3230913216.

The previous prime is 6478748333. The next prime is 6478748363. The reversal of 6478748336 is 6338478746.

It is not an unprimeable number, because it can be changed into a prime (6478748333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522491 + ... + 534746.

Almost surely, 2^6478748336 is an apocalyptic number.

It is an amenable number.

6478748336 is a deficient number, since it is larger than the sum of its proper divisors (6106612816).

6478748336 is a wasteful number, since it uses less digits than its factorization.

6478748336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057628 (or 1057622 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 56.

The square root of 6478748336 is about 80490.6723540063. The cubic root of 6478748336 is about 1864.2194584641.

The spelling of 6478748336 in words is "six billion, four hundred seventy-eight million, seven hundred forty-eight thousand, three hundred thirty-six".