328712901285 has 32 divisors (see below), whose sum is σ = 556060700160. Its totient is φ = 165354827328.

The previous prime is 328712901277. The next prime is 328712901331. The reversal of 328712901285 is 582109217823.

It is not a de Polignac number, because 328712901285 - 2³ = 328712901277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2475787 + ... + 2605176.

It is an arithmetic number, because the mean of its divisors is an integer number (17376896880).

Almost surely, 2^328712901285 is an apocalyptic number.

It is an amenable number.

328712901285 is a deficient number, since it is larger than the sum of its proper divisors (227347798875).

328712901285 is a wasteful number, since it uses less digits than its factorization.

328712901285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081217.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 328712901285 in words is "three hundred twenty-eight billion, seven hundred twelve million, nine hundred one thousand, two hundred eighty-five".