16879217288477 has 2 divisors, whose sum is σ = 16879217288478. Its totient is φ = 16879217288476.

The previous prime is 16879217288471. The next prime is 16879217288503. The reversal of 16879217288477 is 77488271297861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10319989200676 + 6559228087801 = 3212474^2 + 2561099^2 .

It is an emirp because it is prime and its reverse (77488271297861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16879217288477 - 2⁸ = 16879217288221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16879217288398 and 16879217288407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16879217288471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8439608644238 + 8439608644239.

It is an arithmetic number, because the mean of its divisors is an integer number (8439608644239).

Almost surely, 2^{16879217288477} is an apocalyptic number.

It is an amenable number.

16879217288477 is a deficient number, since it is larger than the sum of its proper divisors (1).

16879217288477 is an equidigital number, since it uses as much as digits as its factorization.

16879217288477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1062125568, while the sum is 77.

The spelling of 16879217288477 in words is "sixteen trillion, eight hundred seventy-nine billion, two hundred seventeen million, two hundred eighty-eight thousand, four hundred seventy-seven".