17208980408 has 8 divisors (see below), whose sum is σ = 32266838280. Its totient is φ = 8604490200.

The previous prime is 17208980407. The next prime is 17208980479. The reversal of 17208980408 is 80408980271.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×17208980408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17208980407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075561268 + ... + 1075561283.

It is an arithmetic number, because the mean of its divisors is an integer number (4033354785).

Almost surely, 2^17208980408 is an apocalyptic number.

It is an amenable number.

17208980408 is a deficient number, since it is larger than the sum of its proper divisors (15057857872).

17208980408 is a wasteful number, since it uses less digits than its factorization.

17208980408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151122557 (or 2151122553 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 17208980408 in words is "seventeen billion, two hundred eight million, nine hundred eighty thousand, four hundred eight".