2784061786668 has 24 divisors (see below), whose sum is σ = 6496323036672. Its totient is φ = 927995043024.

The previous prime is 2784061786663. The next prime is 2784061786703. The reversal of 2784061786668 is 8666871604872.

It is not an unprimeable number, because it can be changed into a prime (2784061786663) 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, 2737480 + ... + 3614127.

It is an arithmetic number, because the mean of its divisors is an integer number (270680126528).

Almost surely, 2^{2784061786668} is an apocalyptic number.

It is an amenable number.

2784061786668 is an abundant number, since it is smaller than the sum of its proper divisors (3712261250004).

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

2784061786668 is a wasteful number, since it uses less digits than its factorization.

2784061786668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388141 (or 6388139 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 69.

The spelling of 2784061786668 in words is "two trillion, seven hundred eighty-four billion, sixty-one million, seven hundred eighty-six thousand, six hundred sixty-eight".