79018230722 has 6 divisors (see below), whose sum is σ = 118527942393. Its totient is φ = 39508916592.

The previous prime is 79018230661. The next prime is 79018230737. The reversal of 79018230722 is 22703281097.

It can be written as a sum of positive squares in 2 ways, for example, as 62395543681 + 16622687041 = 249791^2 + 128929^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=198769.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79018230722.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 298154 + ... + 496922.

Almost surely, 2^79018230722 is an apocalyptic number.

79018230722 is a deficient number, since it is larger than the sum of its proper divisors (39509711671).

79018230722 is an frugal number, since it uses more digits than its factorization.

79018230722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397540 (or 198771 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 79018230722 in words is "seventy-nine billion, eighteen million, two hundred thirty thousand, seven hundred twenty-two".