28523368192 has 72 divisors (see below), whose sum is σ = 63555972480. Its totient is φ = 12663598080.

The previous prime is 28523368163. The next prime is 28523368217. The reversal of 28523368192 is 29186332582.

It is a happy number.

It is a congruent number.

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, 3309 + ... + 238867.

It is an arithmetic number, because the mean of its divisors is an integer number (882721840).

Almost surely, 2^28523368192 is an apocalyptic number.

28523368192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28523368192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31777986240).

28523368192 is an abundant number, since it is smaller than the sum of its proper divisors (35032604288).

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

28523368192 is a wasteful number, since it uses less digits than its factorization.

28523368192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235629 (or 235615 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The spelling of 28523368192 in words is "twenty-eight billion, five hundred twenty-three million, three hundred sixty-eight thousand, one hundred ninety-two".