208773879123 has 8 divisors (see below), whose sum is σ = 294739594128. Its totient is φ = 130995375104.

The previous prime is 208773879109. The next prime is 208773879133. The reversal of 208773879123 is 321978377802.

It is a happy number.

208773879123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 208773879123 - 2⁴ = 208773879107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208773879133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2046802686 + ... + 2046802787.

It is an arithmetic number, because the mean of its divisors is an integer number (36842449266).

Almost surely, 2^208773879123 is an apocalyptic number.

208773879123 is a deficient number, since it is larger than the sum of its proper divisors (85965715005).

208773879123 is a wasteful number, since it uses less digits than its factorization.

208773879123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093605493.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 208773879123 in words is "two hundred eight billion, seven hundred seventy-three million, eight hundred seventy-nine thousand, one hundred twenty-three".