11777089 has 4 divisors (see below), whose sum is σ = 11821140. Its totient is φ = 11733040.

The previous prime is 11777071. The next prime is 11777099. The reversal of 11777089 is 98077711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6848689 + 4928400 = 2617^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11777089 - 2⁵ = 11777057 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11777009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21622 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (2955285).

Almost surely, 2^11777089 is an apocalyptic number.

It is an amenable number.

11777089 is a deficient number, since it is larger than the sum of its proper divisors (44051).

11777089 is an equidigital number, since it uses as much as digits as its factorization.

11777089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44050.

The product of its (nonzero) digits is 24696, while the sum is 40.

The square root of 11777089 is about 3431.7763621775. The cubic root of 11777089 is about 227.5163712407.

The spelling of 11777089 in words is "eleven million, seven hundred seventy-seven thousand, eighty-nine".