11776887 has 8 divisors (see below), whose sum is σ = 17447280. Its totient is φ = 7851240.

The previous prime is 11776879. The next prime is 11776889. The reversal of 11776887 is 78867711.

It is a happy number.

11776887 is nontrivially palindromic in base 12.

11776887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11776887 - 2³ = 11776879 is a prime.

11776887 is an undulating number in base 12.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11776889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218064 + ... + 218117.

It is an arithmetic number, because the mean of its divisors is an integer number (2180910).

Almost surely, 2^11776887 is an apocalyptic number.

11776887 is a deficient number, since it is larger than the sum of its proper divisors (5670393).

11776887 is an equidigital number, since it uses as much as digits as its factorization.

11776887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436190 (or 436184 counting only the distinct ones).

The product of its digits is 131712, while the sum is 45.

The square root of 11776887 is about 3431.7469312290. The cubic root of 11776887 is about 227.5150704504.

It can be divided in two parts, 117768 and 87, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 11776887 in words is "eleven million, seven hundred seventy-six thousand, eight hundred eighty-seven".