208197796794 has 48 divisors (see below), whose sum is σ = 452686830624. Its totient is φ = 63805560000.

The previous prime is 208197796777. The next prime is 208197796813. The reversal of 208197796794 is 497697791802.

208197796794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 154497 + ... + 663524.

It is an arithmetic number, because the mean of its divisors is an integer number (9430975638).

Almost surely, 2^208197796794 is an apocalyptic number.

208197796794 is an abundant number, since it is smaller than the sum of its proper divisors (244489033830).

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

208197796794 is a wasteful number, since it uses less digits than its factorization.

208197796794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818303 (or 818290 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 69.

The spelling of 208197796794 in words is "two hundred eight billion, one hundred ninety-seven million, seven hundred ninety-six thousand, seven hundred ninety-four".