85818444240718 has 16 divisors (see below), whose sum is σ = 147117457849824. Its totient is φ = 36779302029600.

The previous prime is 85818444240647. The next prime is 85818444240731. The reversal of 85818444240718 is 81704244481858.

It is a self number, because there is not a number n which added to its sum of digits gives 85818444240718.

It is a congruent number.

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, 23543596 + ... + 26943232.

It is an arithmetic number, because the mean of its divisors is an integer number (9194841115614).

Almost surely, 2^{85818444240718} is an apocalyptic number.

85818444240718 is a deficient number, since it is larger than the sum of its proper divisors (61299013609106).

85818444240718 is a wasteful number, since it uses less digits than its factorization.

85818444240718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202747.

The product of its (nonzero) digits is 73400320, while the sum is 64.

The spelling of 85818444240718 in words is "eighty-five trillion, eight hundred eighteen billion, four hundred forty-four million, two hundred forty thousand, seven hundred eighteen".