11877911 has 2 divisors, whose sum is σ = 11877912. Its totient is φ = 11877910.

The previous prime is 11877893. The next prime is 11877923. The reversal of 11877911 is 11977811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11877911 - 2¹⁴ = 11861527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11877311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938955 + 5938956.

It is an arithmetic number, because the mean of its divisors is an integer number (5938956).

Almost surely, 2^11877911 is an apocalyptic number.

11877911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11877911 is an equidigital number, since it uses as much as digits as its factorization.

11877911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 35.

The square root of 11877911 is about 3446.4345344138. The cubic root of 11877911 is about 228.1637725053.

The spelling of 11877911 in words is "eleven million, eight hundred seventy-seven thousand, nine hundred eleven".