841843426778 has 16 divisors (see below), whose sum is σ = 1306443120480. Its totient is φ = 406365372336.

The previous prime is 841843426757. The next prime is 841843426789. The reversal of 841843426778 is 877624348148.

It is a super-2 number, since 2×841843426778² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 841843426778.

It is an unprimeable number.

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, 173876 + ... + 1309167.

It is an arithmetic number, because the mean of its divisors is an integer number (81652695030).

Almost surely, 2^841843426778 is an apocalyptic number.

841843426778 is a deficient number, since it is larger than the sum of its proper divisors (464599693702).

841843426778 is a wasteful number, since it uses less digits than its factorization.

841843426778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492861.

The product of its digits is 57802752, while the sum is 62.

It can be divided in two parts, 841843 and 426778, that added together give a palindrome (1268621).

The spelling of 841843426778 in words is "eight hundred forty-one billion, eight hundred forty-three million, four hundred twenty-six thousand, seven hundred seventy-eight".