208047306270 has 64 divisors (see below), whose sum is σ = 508340240640. Its totient is φ = 54478403328.

The previous prime is 208047306241. The next prime is 208047306377. The reversal of 208047306270 is 72603740802.

208047306270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540594 + ... + 1670186.

It is an arithmetic number, because the mean of its divisors is an integer number (7942816260).

Almost surely, 2^208047306270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208047306270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254170120320).

208047306270 is an abundant number, since it is smaller than the sum of its proper divisors (300292934370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208047306270 is a wasteful number, since it uses less digits than its factorization.

208047306270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130569.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 208047306270 in words is "two hundred eight billion, forty-seven million, three hundred six thousand, two hundred seventy".