11774844764 has 54 divisors (see below), whose sum is σ = 21507241896. Its totient is φ = 5639533760.

The previous prime is 11774844761. The next prime is 11774844769. The reversal of 11774844764 is 46744847711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11774844761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 85947704 + ... + 85947840.

Almost surely, 2^11774844764 is an apocalyptic number.

It is an amenable number.

11774844764 is a deficient number, since it is larger than the sum of its proper divisors (9732397132).

11774844764 is an equidigital number, since it uses as much as digits as its factorization.

11774844764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 257 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 53.

The spelling of 11774844764 in words is "eleven billion, seven hundred seventy-four million, eight hundred forty-four thousand, seven hundred sixty-four".