11877866 has 64 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4008960.

The previous prime is 11877841. The next prime is 11877871. The reversal of 11877866 is 66877811.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33860 + ... + 34208.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^11877866 is an apocalyptic number.

11877866 is an abundant number, since it is smaller than the sum of its proper divisors (13523734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11877866 is a wasteful number, since it uses less digits than its factorization.

11877866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its digits is 112896, while the sum is 44.

The square root of 11877866 is about 3446.4280059215. The cubic root of 11877866 is about 228.1634843687.

Subtracting 11877866 from its reverse (66877811), we obtain a palindrome (54999945).

The spelling of 11877866 in words is "eleven million, eight hundred seventy-seven thousand, eight hundred sixty-six".