208200090427 has 16 divisors (see below), whose sum is σ = 252800544960. Its totient is φ = 167646665088.

The previous prime is 208200090401. The next prime is 208200090491. The reversal of 208200090427 is 724090002802.

208200090427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208200090427 - 2¹¹ = 208200088379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208200090392 and 208200090401.

It is not an unprimeable number, because it can be changed into a prime (208200096427) 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 15 ways as a sum of consecutive naturals, for example, 13852168 + ... + 13867189.

It is an arithmetic number, because the mean of its divisors is an integer number (15800034060).

Almost surely, 2^208200090427 is an apocalyptic number.

208200090427 is a deficient number, since it is larger than the sum of its proper divisors (44600454533).

208200090427 is a wasteful number, since it uses less digits than its factorization.

208200090427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27719430.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 208200090427 in words is "two hundred eight billion, two hundred million, ninety thousand, four hundred twenty-seven".