6687810048 has 80 divisors (see below), whose sum is σ = 18391608576.
Its totient is φ = 2157342720.
The previous prime is 6687810043. The next prime is 6687810049. The reversal of 6687810048 is 8400187866.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 6687809979 and 6687810006.
It is not an unprimeable number, because it can be changed into a prime (6687810043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22611 + ... + 117842.
Almost surely, 26687810048 is an apocalyptic number.
It is an amenable number.
6687810048 is an abundant number, since it is smaller than the sum of its proper divisors (11703798528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6687810048 is a wasteful number, since it uses less digits than its factorization.
6687810048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140505 (or 140489 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 48.
The square root of 6687810048 is about 81779.0318357952.
The cubic root of 6687810048 is about 1884.0596264052.
The spelling of 6687810048 in words is "six billion, six hundred eighty-seven million, eight hundred ten thousand, forty-eight".