28152751236 has 24 divisors (see below), whose sum is σ = 65692465440. Its totient is φ = 9383862912.

The previous prime is 28152751163. The next prime is 28152751243. The reversal of 28152751236 is 63215725182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551775 + ... + 600633.

It is an arithmetic number, because the mean of its divisors is an integer number (2737186060).

Almost surely, 2^28152751236 is an apocalyptic number.

It is an amenable number.

28152751236 is an abundant number, since it is smaller than the sum of its proper divisors (37539714204).

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

28152751236 is a wasteful number, since it uses less digits than its factorization.

28152751236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96883 (or 96881 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The spelling of 28152751236 in words is "twenty-eight billion, one hundred fifty-two million, seven hundred fifty-one thousand, two hundred thirty-six".