11773747844 has 12 divisors (see below), whose sum is σ = 20680090368. Its totient is φ = 5865150600.

The previous prime is 11773747813. The next prime is 11773747847. The reversal of 11773747844 is 44874737711.

It is a happy number.

It is a super-3 number, since 3×11773747844³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11773747847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429612 + ... + 5431779.

It is an arithmetic number, because the mean of its divisors is an integer number (1723340864).

Almost surely, 2^11773747844 is an apocalyptic number.

It is an amenable number.

11773747844 is a deficient number, since it is larger than the sum of its proper divisors (8906342524).

11773747844 is a wasteful number, since it uses less digits than its factorization.

11773747844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861666 (or 10861664 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 53.

The spelling of 11773747844 in words is "eleven billion, seven hundred seventy-three million, seven hundred forty-seven thousand, eight hundred forty-four".