13823785847 has 2 divisors, whose sum is σ = 13823785848. Its totient is φ = 13823785846.

The previous prime is 13823785837. The next prime is 13823785853. The reversal of 13823785847 is 74858732831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13823785847 - 2⁶ = 13823785783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13823785792 and 13823785801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13823785837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6911892923 + 6911892924.

It is an arithmetic number, because the mean of its divisors is an integer number (6911892924).

Almost surely, 2^13823785847 is an apocalyptic number.

13823785847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13823785847 is an equidigital number, since it uses as much as digits as its factorization.

13823785847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 56.

The spelling of 13823785847 in words is "thirteen billion, eight hundred twenty-three million, seven hundred eighty-five thousand, eight hundred forty-seven".