28323348847 has 2 divisors, whose sum is σ = 28323348848. Its totient is φ = 28323348846.

The previous prime is 28323348793. The next prime is 28323348857. The reversal of 28323348847 is 74884332382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28323348847 - 2⁷ = 28323348719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28323348794 and 28323348803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28323348857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161674423 + 14161674424.

It is an arithmetic number, because the mean of its divisors is an integer number (14161674424).

Almost surely, 2^28323348847 is an apocalyptic number.

28323348847 is a deficient number, since it is larger than the sum of its proper divisors (1).

28323348847 is an equidigital number, since it uses as much as digits as its factorization.

28323348847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 52.

The spelling of 28323348847 in words is "twenty-eight billion, three hundred twenty-three million, three hundred forty-eight thousand, eight hundred forty-seven".