327897161988 has 48 divisors (see below), whose sum is σ = 839017267200. Its totient is φ = 98842544800.

The previous prime is 327897161987. The next prime is 327897161989. The reversal of 327897161988 is 889161798723.

It is an interprime number because it is at equal distance from previous prime (327897161987) and next prime (327897161989).

It is a super-2 number, since 2×327897161988² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (327897161987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6477588 + ... + 6528011.

It is an arithmetic number, because the mean of its divisors is an integer number (17479526400).

Almost surely, 2^327897161988 is an apocalyptic number.

It is an amenable number.

327897161988 is an abundant number, since it is smaller than the sum of its proper divisors (511120105212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

327897161988 is a wasteful number, since it uses less digits than its factorization.

327897161988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005808 (or 13005806 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 69.

The spelling of 327897161988 in words is "three hundred twenty-seven billion, eight hundred ninety-seven million, one hundred sixty-one thousand, nine hundred eighty-eight".