17208979968 has 40 divisors (see below), whose sum is σ = 45845802288. Its totient is φ = 5736326144.

The previous prime is 17208979967. The next prime is 17208979969. The reversal of 17208979968 is 86997980271.

It is an interprime number because it is at equal distance from previous prime (17208979967) and next prime (17208979969).

It is a super-2 number, since 2×17208979968² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17208979899 and 17208979908.

It is not an unprimeable number, because it can be changed into a prime (17208979967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600346 + ... + 5603417.

Almost surely, 2^17208979968 is an apocalyptic number.

It is an amenable number.

17208979968 is an abundant number, since it is smaller than the sum of its proper divisors (28636822320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17208979968 is an equidigital number, since it uses as much as digits as its factorization.

17208979968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203784 (or 11203768 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 66.

The spelling of 17208979968 in words is "seventeen billion, two hundred eight million, nine hundred seventy-nine thousand, nine hundred sixty-eight".