11878677227 has 2 divisors, whose sum is σ = 11878677228. Its totient is φ = 11878677226.

The previous prime is 11878677179. The next prime is 11878677229. The reversal of 11878677227 is 72277687811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11878677227 - 2³⁰ = 10804935403 is a prime.

It is a super-2 number, since 2×11878677227² (a number of 21 digits) contains 22 as substring.

Together with 11878677229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11878677229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939338613 + 5939338614.

It is an arithmetic number, because the mean of its divisors is an integer number (5939338614).

Almost surely, 2^11878677227 is an apocalyptic number.

11878677227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11878677227 is an equidigital number, since it uses as much as digits as its factorization.

11878677227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3687936, while the sum is 56.

The spelling of 11878677227 in words is "eleven billion, eight hundred seventy-eight million, six hundred seventy-seven thousand, two hundred twenty-seven".