189863082877408 has 48 divisors (see below), whose sum is σ = 374097969443520. Its totient is φ = 94854079699456.

The previous prime is 189863082877397. The next prime is 189863082877417. The reversal of 189863082877408 is 804778280368981.

It is a happy number.

189863082877408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1708590873 + ... + 1708701991.

It is an arithmetic number, because the mean of its divisors is an integer number (7793707696740).

Almost surely, 2^{189863082877408} is an apocalyptic number.

It is an amenable number.

189863082877408 is a deficient number, since it is larger than the sum of its proper divisors (184234886566112).

189863082877408 is a wasteful number, since it uses less digits than its factorization.

189863082877408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154219 (or 154211 counting only the distinct ones).

The product of its (nonzero) digits is 2080899072, while the sum is 79.

The spelling of 189863082877408 in words is "one hundred eighty-nine trillion, eight hundred sixty-three billion, eighty-two million, eight hundred seventy-seven thousand, four hundred eight".