7805341278434 has 16 divisors (see below), whose sum is σ = 13389806713536. Its totient is φ = 3342840846000.

The previous prime is 7805341278431. The next prime is 7805341278473. The reversal of 7805341278434 is 4348721435087.

It is a self number, because there is not a number n which added to its sum of digits gives 7805341278434.

It is not an unprimeable number, because it can be changed into a prime (7805341278431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192096977 + ... + 192137604.

It is an arithmetic number, because the mean of its divisors is an integer number (836862919596).

Almost surely, 2^{7805341278434} is an apocalyptic number.

7805341278434 is a deficient number, since it is larger than the sum of its proper divisors (5584465435102).

7805341278434 is a wasteful number, since it uses less digits than its factorization.

7805341278434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384236041.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 7805341278434 in words is "seven trillion, eight hundred five billion, three hundred forty-one million, two hundred seventy-eight thousand, four hundred thirty-four".