328287220700 has 18 divisors (see below), whose sum is σ = 712383269136. Its totient is φ = 131314888240.

The previous prime is 328287220691. The next prime is 328287220717. The reversal of 328287220700 is 7022782823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1641436004 + ... + 1641436203.

Almost surely, 2^328287220700 is an apocalyptic number.

It is an amenable number.

328287220700 is an abundant number, since it is smaller than the sum of its proper divisors (384096048436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328287220700 is a wasteful number, since it uses less digits than its factorization.

328287220700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282872221 (or 3282872214 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 328287220700 in words is "three hundred twenty-eight billion, two hundred eighty-seven million, two hundred twenty thousand, seven hundred".