3841781387782 has 8 divisors (see below), whose sum is σ = 6205954549536. Its totient is φ = 1773129871272.

The previous prime is 3841781387777. The next prime is 3841781387791. The reversal of 3841781387782 is 2877831871483.

3841781387782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73880411278 + ... + 73880411329.

It is an arithmetic number, because the mean of its divisors is an integer number (775744318692).

Almost surely, 2^{3841781387782} is an apocalyptic number.

3841781387782 is a deficient number, since it is larger than the sum of its proper divisors (2364173161754).

3841781387782 is a wasteful number, since it uses less digits than its factorization.

3841781387782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147760822622.

The product of its digits is 101154816, while the sum is 67.

The spelling of 3841781387782 in words is "three trillion, eight hundred forty-one billion, seven hundred eighty-one million, three hundred eighty-seven thousand, seven hundred eighty-two".