2780830284668 has 6 divisors (see below), whose sum is σ = 4866452998176. Its totient is φ = 1390415142332.

The previous prime is 2780830284587. The next prime is 2780830284677. The reversal of 2780830284668 is 8664820380872.

It is a self number, because there is not a number n which added to its sum of digits gives 2780830284668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347603785580 + ... + 347603785587.

It is an arithmetic number, because the mean of its divisors is an integer number (811075499696).

Almost surely, 2^{2780830284668} is an apocalyptic number.

It is an amenable number.

2780830284668 is a deficient number, since it is larger than the sum of its proper divisors (2085622713508).

2780830284668 is a wasteful number, since it uses less digits than its factorization.

2780830284668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695207571171 (or 695207571169 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 62.

The spelling of 2780830284668 in words is "two trillion, seven hundred eighty billion, eight hundred thirty million, two hundred eighty-four thousand, six hundred sixty-eight".