327638045554 has 4 divisors (see below), whose sum is σ = 491457068334. Its totient is φ = 163819022776.

The previous prime is 327638045549. The next prime is 327638045599. The reversal of 327638045554 is 455540836723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455540836723 = 7 ⋅65077262389.

It can be written as a sum of positive squares in only one way, i.e., 222647141025 + 104990904529 = 471855^2 + 324023^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81909511387 + ... + 81909511390.

Almost surely, 2^327638045554 is an apocalyptic number.

327638045554 is a deficient number, since it is larger than the sum of its proper divisors (163819022780).

327638045554 is a wasteful number, since it uses less digits than its factorization.

327638045554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163819022779.

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 327638045554 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, five hundred fifty-four".