28318323352 has 32 divisors (see below), whose sum is σ = 58224001680. Its totient is φ = 12805263360.

The previous prime is 28318323283. The next prime is 28318323413. The reversal of 28318323352 is 25332381382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816693 + ... + 850660.

Almost surely, 2^28318323352 is an apocalyptic number.

28318323352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28318323352 is an abundant number, since it is smaller than the sum of its proper divisors (29905678328).

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

28318323352 is a wasteful number, since it uses less digits than its factorization.

28318323352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667563 (or 1667559 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 28318323352 in words is "twenty-eight billion, three hundred eighteen million, three hundred twenty-three thousand, three hundred fifty-two".