28323303825 has 12 divisors (see below), whose sum is σ = 46827862448. Its totient is φ = 15105762000.

The previous prime is 28323303779. The next prime is 28323303829. The reversal of 28323303825 is 52830332382.

It is not a de Polignac number, because 28323303825 - 2¹⁰ = 28323302801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28323303829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188821951 + ... + 188822100.

Almost surely, 2^28323303825 is an apocalyptic number.

28323303825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28323303825 is a deficient number, since it is larger than the sum of its proper divisors (18504558623).

28323303825 is a wasteful number, since it uses less digits than its factorization.

28323303825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377644064 (or 377644059 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 28323303825 in words is "twenty-eight billion, three hundred twenty-three million, three hundred three thousand, eight hundred twenty-five".