208869108484 has 9 divisors (see below), whose sum is σ = 365522539431. Its totient is φ = 104434097220.

The previous prime is 208869108463. The next prime is 208869108491. The reversal of 208869108484 is 484801968802.

The square root of 208869108484 is 457022.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 799789 + ... + 1028299.

Almost surely, 2^208869108484 is an apocalyptic number.

208869108484 is the 457022-nd square number.

It is an amenable number.

208869108484 is a deficient number, since it is larger than the sum of its proper divisors (156653430947).

208869108484 is an frugal number, since it uses more digits than its factorization.

208869108484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457026 (or 228513 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 58.

The spelling of 208869108484 in words is "two hundred eight billion, eight hundred sixty-nine million, one hundred eight thousand, four hundred eighty-four".