208480547 has 4 divisors (see below), whose sum is σ = 227433336. Its totient is φ = 189527760.

The previous prime is 208480541. The next prime is 208480561. The reversal of 208480547 is 745084802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 208480547 - 2⁸ = 208480291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208480547.

It is not an unprimeable number, because it can be changed into a prime (208480541) 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 3 ways as a sum of consecutive naturals, for example, 9476378 + ... + 9476399.

It is an arithmetic number, because the mean of its divisors is an integer number (56858334).

Almost surely, 2^208480547 is an apocalyptic number.

208480547 is a deficient number, since it is larger than the sum of its proper divisors (18952789).

208480547 is a wasteful number, since it uses less digits than its factorization.

208480547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952788.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 208480547 is about 14438.8554601810. The cubic root of 208480547 is about 592.9551507533.

The spelling of 208480547 in words is "two hundred eight million, four hundred eighty thousand, five hundred forty-seven".