208057687382 has 16 divisors (see below), whose sum is σ = 320865796800. Its totient is φ = 101132131968.

The previous prime is 208057687363. The next prime is 208057687399. The reversal of 208057687382 is 283786750802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7413443 + ... + 7441454.

It is an arithmetic number, because the mean of its divisors is an integer number (20054112300).

Almost surely, 2^208057687382 is an apocalyptic number.

208057687382 is a deficient number, since it is larger than the sum of its proper divisors (112808109418).

208057687382 is a wasteful number, since it uses less digits than its factorization.

208057687382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855095.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 208057687382 in words is "two hundred eight billion, fifty-seven million, six hundred eighty-seven thousand, three hundred eighty-two".