845079061718 has 16 divisors (see below), whose sum is σ = 1271122329600. Its totient is φ = 421371956136.

The previous prime is 845079061711. The next prime is 845079061741. The reversal of 845079061718 is 817160970548.

It is a happy number.

It is a super-2 number, since 2×845079061718² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845079061711) by changing a digit.

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, 5148683 + ... + 5310281.

It is an arithmetic number, because the mean of its divisors is an integer number (79445145600).

Almost surely, 2^845079061718 is an apocalyptic number.

845079061718 is a deficient number, since it is larger than the sum of its proper divisors (426043267882).

845079061718 is a wasteful number, since it uses less digits than its factorization.

845079061718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168811.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 845079061718 in words is "eight hundred forty-five billion, seventy-nine million, sixty-one thousand, seven hundred eighteen".