11827967867 has 2 divisors, whose sum is σ = 11827967868. Its totient is φ = 11827967866.

The previous prime is 11827967839. The next prime is 11827967891. The reversal of 11827967867 is 76876972811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11827967867 - 2¹⁸ = 11827705723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11827967807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5913983933 + 5913983934.

It is an arithmetic number, because the mean of its divisors is an integer number (5913983934).

Almost surely, 2^11827967867 is an apocalyptic number.

11827967867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11827967867 is an equidigital number, since it uses as much as digits as its factorization.

11827967867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 62.

The spelling of 11827967867 in words is "eleven billion, eight hundred twenty-seven million, nine hundred sixty-seven thousand, eight hundred sixty-seven".