326871734728 has 64 divisors (see below), whose sum is σ = 804332390400. Its totient is φ = 120649849920.

The previous prime is 326871734711. The next prime is 326871734731. The reversal of 326871734728 is 827437178623.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13952400 + ... + 13975807.

It is an arithmetic number, because the mean of its divisors is an integer number (12567693600).

Almost surely, 2^326871734728 is an apocalyptic number.

326871734728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

326871734728 is an abundant number, since it is smaller than the sum of its proper divisors (477460655672).

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

326871734728 is a wasteful number, since it uses less digits than its factorization.

326871734728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928250 (or 27928246 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 58.

The spelling of 326871734728 in words is "three hundred twenty-six billion, eight hundred seventy-one million, seven hundred thirty-four thousand, seven hundred twenty-eight".