11847939827 has 2 divisors, whose sum is σ = 11847939828. Its totient is φ = 11847939826.

The previous prime is 11847939823. The next prime is 11847939833. The reversal of 11847939827 is 72893974811.

11847939827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11847939827 - 2² = 11847939823 is a prime.

It is not a weakly prime, because it can be changed into another prime (11847939823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923969913 + 5923969914.

It is an arithmetic number, because the mean of its divisors is an integer number (5923969914).

Almost surely, 2^11847939827 is an apocalyptic number.

11847939827 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847939827 is an equidigital number, since it uses as much as digits as its factorization.

11847939827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The spelling of 11847939827 in words is "eleven billion, eight hundred forty-seven million, nine hundred thirty-nine thousand, eight hundred twenty-seven".