8047706678442 has 12 divisors (see below), whose sum is σ = 17436697803330. Its totient is φ = 2682568892808.

The previous prime is 8047706678437. The next prime is 8047706678461. The reversal of 8047706678442 is 2448766077408.

8047706678442 is a `hidden beast` number, since 80 + 47 + 7 + 0 + 6 + 6 + 78 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7022653700841 + 1025052977601 = 2650029^2 + 1012449^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8047706678442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223547407717 + ... + 223547407752.

Almost surely, 2^{8047706678442} is an apocalyptic number.

8047706678442 is an abundant number, since it is smaller than the sum of its proper divisors (9388991124888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8047706678442 is a wasteful number, since it uses less digits than its factorization.

8047706678442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447094815477 (or 447094815474 counting only the distinct ones).

The product of its (nonzero) digits is 101154816, while the sum is 63.

It can be divided in two parts, 80477066 and 78442, that added together give a palindrome (80555508).

The spelling of 8047706678442 in words is "eight trillion, forty-seven billion, seven hundred six million, six hundred seventy-eight thousand, four hundred forty-two".