28323321136 has 40 divisors (see below), whose sum is σ = 60708400128. Its totient is φ = 12692904000.

The previous prime is 28323321119. The next prime is 28323321149. The reversal of 28323321136 is 63112332382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120800 + ... + 1145791.

Almost surely, 2^28323321136 is an apocalyptic number.

It is an amenable number.

28323321136 is an abundant number, since it is smaller than the sum of its proper divisors (32385078992).

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

28323321136 is a wasteful number, since it uses less digits than its factorization.

28323321136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266681 (or 2266675 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The spelling of 28323321136 in words is "twenty-eight billion, three hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty-six".