85840303613218 has 24 divisors (see below), whose sum is σ = 163399167918864. Its totient is φ = 33444274134600.

The previous prime is 85840303613087. The next prime is 85840303613269. The reversal of 85840303613218 is 81231630304858.

It is a happy number.

It is a super-2 number, since 2×85840303613218² (a number of 29 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 39814610988 + ... + 39814613143.

It is an arithmetic number, because the mean of its divisors is an integer number (6808298663286).

Almost surely, 2^{85840303613218} is an apocalyptic number.

85840303613218 is a deficient number, since it is larger than the sum of its proper divisors (77558864305646).

85840303613218 is a wasteful number, since it uses less digits than its factorization.

85840303613218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79629224158 (or 79629224151 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 85840303613218 in words is "eighty-five trillion, eight hundred forty billion, three hundred three million, six hundred thirteen thousand, two hundred eighteen".