11878967 has 2 divisors, whose sum is σ = 11878968. Its totient is φ = 11878966.

The previous prime is 11878963. The next prime is 11878973. The reversal of 11878967 is 76987811.

11878967 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 an emirp because it is prime and its reverse (76987811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11878967 - 2² = 11878963 is a prime.

It is a super-2 number, since 2×11878967² = 282219713974178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11878963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939483 + 5939484.

It is an arithmetic number, because the mean of its divisors is an integer number (5939484).

Almost surely, 2^11878967 is an apocalyptic number.

11878967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878967 is an equidigital number, since it uses as much as digits as its factorization.

11878967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 47.

The square root of 11878967 is about 3446.5877328163. The cubic root of 11878967 is about 228.1705339020.

The spelling of 11878967 in words is "eleven million, eight hundred seventy-eight thousand, nine hundred sixty-seven".