11878289 has 2 divisors, whose sum is σ = 11878290. Its totient is φ = 11878288.

The previous prime is 11878271. The next prime is 11878297. The reversal of 11878289 is 98287811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 4695889 = 2680^2 + 2167^2 .

It is a cyclic number.

It is not a de Polignac number, because 11878289 - 2⁸ = 11878033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11878219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939144 + 5939145.

It is an arithmetic number, because the mean of its divisors is an integer number (5939145).

Almost surely, 2^11878289 is an apocalyptic number.

It is an amenable number.

11878289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878289 is an equidigital number, since it uses as much as digits as its factorization.

11878289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 44.

The square root of 11878289 is about 3446.4893732609. The cubic root of 11878289 is about 228.1661928240.

It can be divided in two parts, 11878 and 289, that added together give a cube (12167 = 23³).

The spelling of 11878289 in words is "eleven million, eight hundred seventy-eight thousand, two hundred eighty-nine".