208027928936 has 8 divisors (see below), whose sum is σ = 390052366770. Its totient is φ = 104013964464.

The previous prime is 208027928893. The next prime is 208027928951. The reversal of 208027928936 is 639829720802.

208027928936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155792826436 + 52235102500 = 394706^2 + 228550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 13001745551 + ... + 13001745566.

Almost surely, 2^208027928936 is an apocalyptic number.

It is an amenable number.

208027928936 is a deficient number, since it is larger than the sum of its proper divisors (182024437834).

208027928936 is a wasteful number, since it uses less digits than its factorization.

208027928936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26003491123 (or 26003491119 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 208027928936 in words is "two hundred eight billion, twenty-seven million, nine hundred twenty-eight thousand, nine hundred thirty-six".