328278502487 has 8 divisors (see below), whose sum is σ = 368901595104. Its totient is φ = 289851252768.

The previous prime is 328278502459. The next prime is 328278502507. The reversal of 328278502487 is 784205872823.

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 328278502487 - 2¹² = 328278498391 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 (328278502417) 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, 548960408 + ... + 548961005.

It is an arithmetic number, because the mean of its divisors is an integer number (46112699388).

Almost surely, 2^328278502487 is an apocalyptic number.

328278502487 is a deficient number, since it is larger than the sum of its proper divisors (40623092617).

328278502487 is a wasteful number, since it uses less digits than its factorization.

328278502487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097921449.

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 328278502487 in words is "three hundred twenty-eight billion, two hundred seventy-eight million, five hundred two thousand, four hundred eighty-seven".