17208987479 has 2 divisors, whose sum is σ = 17208987480. Its totient is φ = 17208987478.

The previous prime is 17208987463. The next prime is 17208987503. The reversal of 17208987479 is 97478980271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17208987479 - 2⁴ = 17208987463 is a prime.

It is a super-2 number, since 2×17208987479² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17208987449) 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 as a sum of consecutive naturals, namely, 8604493739 + 8604493740.

It is an arithmetic number, because the mean of its divisors is an integer number (8604493740).

Almost surely, 2^17208987479 is an apocalyptic number.

17208987479 is a deficient number, since it is larger than the sum of its proper divisors (1).

17208987479 is an equidigital number, since it uses as much as digits as its factorization.

17208987479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 62.

The spelling of 17208987479 in words is "seventeen billion, two hundred eight million, nine hundred eighty-seven thousand, four hundred seventy-nine".