11877871 has 2 divisors, whose sum is σ = 11877872. Its totient is φ = 11877870.

The previous prime is 11877841. The next prime is 11877889. The reversal of 11877871 is 17877811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11877871 - 2²³ = 3489263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11877841) 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, 5938935 + 5938936.

It is an arithmetic number, because the mean of its divisors is an integer number (5938936).

Almost surely, 2^11877871 is an apocalyptic number.

11877871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11877871 is an equidigital number, since it uses as much as digits as its factorization.

11877871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21952, while the sum is 40.

The square root of 11877871 is about 3446.4287313101. The cubic root of 11877871 is about 228.1635163839.

The spelling of 11877871 in words is "eleven million, eight hundred seventy-seven thousand, eight hundred seventy-one".