17208980487 has 12 divisors (see below), whose sum is σ = 25386298080. Its totient is φ = 11228554368.

The previous prime is 17208980479. The next prime is 17208980491. The reversal of 17208980487 is 78408980271.

It is a happy number.

17208980487 is a `hidden beast` number, since 1 + 7 + 2 + 0 + 89 + 80 + 487 = 666.

It is not a de Polignac number, because 17208980487 - 2³ = 17208980479 is a prime.

It is a super-2 number, since 2×17208980487² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20341162 + ... + 20342007.

It is an arithmetic number, because the mean of its divisors is an integer number (2115524840).

Almost surely, 2^17208980487 is an apocalyptic number.

17208980487 is a deficient number, since it is larger than the sum of its proper divisors (8177317593).

17208980487 is a wasteful number, since it uses less digits than its factorization.

17208980487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40683222 (or 40683219 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 17208980487 in words is "seventeen billion, two hundred eight million, nine hundred eighty thousand, four hundred eighty-seven".