6786280667980 has 24 divisors (see below), whose sum is σ = 15546752076240. Its totient is φ = 2467738424640.

The previous prime is 6786280667977. The next prime is 6786280668049. The reversal of 6786280667980 is 897660826876.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15423364935 + ... + 15423365374.

It is an arithmetic number, because the mean of its divisors is an integer number (647781336510).

Almost surely, 2^{6786280667980} is an apocalyptic number.

It is an amenable number.

6786280667980 is an abundant number, since it is smaller than the sum of its proper divisors (8760471408260).

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

6786280667980 is a wasteful number, since it uses less digits than its factorization.

6786280667980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30846730329 (or 30846730327 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 6786280667980 in words is "six trillion, seven hundred eighty-six billion, two hundred eighty million, six hundred sixty-seven thousand, nine hundred eighty".