327155997 has 48 divisors (see below), whose sum is σ = 527081280. Its totient is φ = 179843328.

The previous prime is 327155987. The next prime is 327156013. The reversal of 327155997 is 799551723.

It is not a de Polignac number, because 327155997 - 2⁷ = 327155869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327155977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461079 + ... + 461787.

It is an arithmetic number, because the mean of its divisors is an integer number (10980860).

Almost surely, 2^327155997 is an apocalyptic number.

It is an amenable number.

327155997 is a deficient number, since it is larger than the sum of its proper divisors (199925283).

327155997 is a wasteful number, since it uses less digits than its factorization.

327155997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 835 counting only the distinct ones).

The product of its digits is 595350, while the sum is 48.

The square root of 327155997 is about 18087.4541326302. The cubic root of 327155997 is about 689.0514144349.

The spelling of 327155997 in words is "three hundred twenty-seven million, one hundred fifty-five thousand, nine hundred ninety-seven".