327638045475 has 96 divisors (see below), whose sum is σ = 648398499840. Its totient is φ = 161244846720.

The previous prime is 327638045459. The next prime is 327638045491. The reversal of 327638045475 is 574540836723.

It is a happy number.

327638045475 is a `hidden beast` number, since 32 + 7 + 63 + 8 + 0 + 4 + 547 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (327638045459) and next prime (327638045491).

It is not a de Polignac number, because 327638045475 - 2⁴ = 327638045459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43757182 + ... + 43764668.

It is an arithmetic number, because the mean of its divisors is an integer number (6754151040).

Almost surely, 2^327638045475 is an apocalyptic number.

327638045475 is a deficient number, since it is larger than the sum of its proper divisors (320760454365).

327638045475 is a wasteful number, since it uses less digits than its factorization.

327638045475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12506 (or 12495 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 327638045475 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, four hundred seventy-five".