208380833881 has 8 divisors (see below), whose sum is σ = 227968529184. Its totient is φ = 188900469120.

The previous prime is 208380833879. The next prime is 208380833893. The reversal of 208380833881 is 188338083802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208380833881 - 2¹ = 208380833879 is a prime.

It is a super-2 number, since 2×208380833881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208380830881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26828571 + ... + 26836336.

It is an arithmetic number, because the mean of its divisors is an integer number (28496066148).

Almost surely, 2^208380833881 is an apocalyptic number.

It is an amenable number.

208380833881 is a deficient number, since it is larger than the sum of its proper divisors (19587695303).

208380833881 is a wasteful number, since it uses less digits than its factorization.

208380833881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53665271.

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 208380833881 in words is "two hundred eight billion, three hundred eighty million, eight hundred thirty-three thousand, eight hundred eighty-one".