328508628887 has 8 divisors (see below), whose sum is σ = 333744573312. Its totient is φ = 323289603000.

The previous prime is 328508628883. The next prime is 328508628907. The reversal of 328508628887 is 788826805823.

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

It is a cyclic number.

It is not a de Polignac number, because 328508628887 - 2² = 328508628883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328508628883) 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, 4190489 + ... + 4268162.

It is an arithmetic number, because the mean of its divisors is an integer number (41718071664).

Almost surely, 2^328508628887 is an apocalyptic number.

328508628887 is a deficient number, since it is larger than the sum of its proper divisors (5235944425).

328508628887 is an equidigital number, since it uses as much as digits as its factorization.

328508628887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459269.

The product of its (nonzero) digits is 82575360, while the sum is 65.

The spelling of 328508628887 in words is "three hundred twenty-eight billion, five hundred eight million, six hundred twenty-eight thousand, eight hundred eighty-seven".