327653874387 has 40 divisors (see below), whose sum is σ = 566281755280. Its totient is φ = 187230748320.

The previous prime is 327653874347. The next prime is 327653874439. The reversal of 327653874387 is 783478356723.

It is a happy number.

327653874387 is a `hidden beast` number, since 3 + 2 + 76 + 53 + 87 + 438 + 7 = 666.

It is not a de Polignac number, because 327653874387 - 2¹⁴ = 327653858003 is a prime.

It is a super-2 number, since 2×327653874387² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327653874337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2462314 + ... + 2591967.

It is an arithmetic number, because the mean of its divisors is an integer number (14157043882).

Almost surely, 2^327653874387 is an apocalyptic number.

327653874387 is a deficient number, since it is larger than the sum of its proper divisors (238627880893).

327653874387 is an frugal number, since it uses more digits than its factorization.

327653874387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054318 (or 5054291 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 63.

The spelling of 327653874387 in words is "three hundred twenty-seven billion, six hundred fifty-three million, eight hundred seventy-four thousand, three hundred eighty-seven".