327920765 has 4 divisors (see below), whose sum is σ = 393504924. Its totient is φ = 262336608.

The previous prime is 327920743. The next prime is 327920771. The reversal of 327920765 is 567029723.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128913316 + 199007449 = 11354^2 + 14107^2 .

It is a cyclic number.

It is not a de Polignac number, because 327920765 - 2¹² = 327916669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32792072 + ... + 32792081.

It is an arithmetic number, because the mean of its divisors is an integer number (98376231).

Almost surely, 2^327920765 is an apocalyptic number.

It is an amenable number.

327920765 is a deficient number, since it is larger than the sum of its proper divisors (65584159).

327920765 is an equidigital number, since it uses as much as digits as its factorization.

327920765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65584158.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 327920765 is about 18108.5826336574. The cubic root of 327920765 is about 689.5879111870.

The spelling of 327920765 in words is "three hundred twenty-seven million, nine hundred twenty thousand, seven hundred sixty-five".