328075555 has 8 divisors (see below), whose sum is σ = 393793344. Its totient is φ = 262392000.

The previous prime is 328075547. The next prime is 328075591. The reversal of 328075555 is 555570823.

It is a happy number.

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

It is not a de Polignac number, because 328075555 - 2³ = 328075547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23350 + ... + 34660.

It is an arithmetic number, because the mean of its divisors is an integer number (49224168).

Almost surely, 2^328075555 is an apocalyptic number.

328075555 is a deficient number, since it is larger than the sum of its proper divisors (65717789).

328075555 is a wasteful number, since it uses less digits than its factorization.

328075555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17117.

The product of its (nonzero) digits is 210000, while the sum is 40.

The square root of 328075555 is about 18112.8560696540. The cubic root of 328075555 is about 689.6963972741.

The spelling of 328075555 in words is "three hundred twenty-eight million, seventy-five thousand, five hundred fifty-five".