6776780548480 has 128 divisors (see below), whose sum is σ = 16647516900000. Its totient is φ = 2636036112384.

The previous prime is 6776780548471. The next prime is 6776780548537. The reversal of 6776780548480 is 848450876776.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44655771 + ... + 44807269.

Almost surely, 2^{6776780548480} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6776780548480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8323758450000).

6776780548480 is an abundant number, since it is smaller than the sum of its proper divisors (9870736351520).

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

6776780548480 is a wasteful number, since it uses less digits than its factorization.

6776780548480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153444 (or 153432 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 6776780548480 in words is "six trillion, seven hundred seventy-six billion, seven hundred eighty million, five hundred forty-eight thousand, four hundred eighty".