4078811640782 has 8 divisors (see below), whose sum is σ = 6118848950400. Its totient is φ = 2039195323984.

The previous prime is 4078811640773. The next prime is 4078811640833. The reversal of 4078811640782 is 2870461188704.

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, 105223982 + ... + 105262737.

It is an arithmetic number, because the mean of its divisors is an integer number (764856118800).

Almost surely, 2^{4078811640782} is an apocalyptic number.

4078811640782 is a deficient number, since it is larger than the sum of its proper divisors (2040037309618).

4078811640782 is a wasteful number, since it uses less digits than its factorization.

4078811640782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210496410.

The product of its (nonzero) digits is 4816896, while the sum is 56.

The spelling of 4078811640782 in words is "four trillion, seventy-eight billion, eight hundred eleven million, six hundred forty thousand, seven hundred eighty-two".