328745577 has 8 divisors (see below), whose sum is σ = 438490816. Its totient is φ = 219082032.

The previous prime is 328745569. The next prime is 328745579. The reversal of 328745577 is 775547823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328745577 - 2³ = 328745569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328745579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10318 + ... + 27639.

It is an arithmetic number, because the mean of its divisors is an integer number (54811352).

Almost surely, 2^328745577 is an apocalyptic number.

It is an amenable number.

328745577 is a deficient number, since it is larger than the sum of its proper divisors (109745239).

328745577 is a wasteful number, since it uses less digits than its factorization.

328745577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40847.

The product of its digits is 1646400, while the sum is 48.

The square root of 328745577 is about 18131.3423937667. The cubic root of 328745577 is about 690.1655956256.

The spelling of 328745577 in words is "three hundred twenty-eight million, seven hundred forty-five thousand, five hundred seventy-seven".