327638045555 has 16 divisors (see below), whose sum is σ = 395538150240. Its totient is φ = 260529539328.

The previous prime is 327638045549. The next prime is 327638045599. The reversal of 327638045555 is 555540836723.

It is a cyclic number.

It is not a de Polignac number, because 327638045555 - 2⁶ = 327638045491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 327638045497 and 327638045506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3534479 + ... + 3625991.

It is an arithmetic number, because the mean of its divisors is an integer number (24721134390).

Almost surely, 2^327638045555 is an apocalyptic number.

327638045555 is a deficient number, since it is larger than the sum of its proper divisors (67900104685).

327638045555 is a wasteful number, since it uses less digits than its factorization.

327638045555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95830.

The product of its (nonzero) digits is 15120000, while the sum is 53.

The spelling of 327638045555 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, five hundred fifty-five".