847911442618 has 16 divisors (see below), whose sum is σ = 1296962109576. Its totient is φ = 415604288320.

The previous prime is 847911442591. The next prime is 847911442643. The reversal of 847911442618 is 816244119748.

It can be written as a sum of positive squares in 4 ways, for example, as 753227844769 + 94683597849 = 867887^2 + 307707^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261421 + ... + 3511792.

Almost surely, 2^847911442618 is an apocalyptic number.

847911442618 is a deficient number, since it is larger than the sum of its proper divisors (449050666958).

847911442618 is a wasteful number, since it uses less digits than its factorization.

847911442618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774449.

The product of its digits is 3096576, while the sum is 55.

The spelling of 847911442618 in words is "eight hundred forty-seven billion, nine hundred eleven million, four hundred forty-two thousand, six hundred eighteen".