208274622147 has 12 divisors (see below), whose sum is σ = 300845525760. Its totient is φ = 138847715088.

The previous prime is 208274622139. The next prime is 208274622187. The reversal of 208274622147 is 741226472802.

208274622147 is a `hidden beast` number, since 2 + 0 + 8 + 2 + 7 + 4 + 622 + 14 + 7 = 666.

It is not a de Polignac number, because 208274622147 - 2³ = 208274622139 is a prime.

It is a super-3 number, since 3×208274622147³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (208274622187) 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 in 11 ways as a sum of consecutive naturals, for example, 731629 + ... + 975617.

It is an arithmetic number, because the mean of its divisors is an integer number (25070460480).

Almost surely, 2^208274622147 is an apocalyptic number.

208274622147 is a deficient number, since it is larger than the sum of its proper divisors (92570903613).

208274622147 is a wasteful number, since it uses less digits than its factorization.

208274622147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338842 (or 338839 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 208274622147 in words is "two hundred eight billion, two hundred seventy-four million, six hundred twenty-two thousand, one hundred forty-seven".