11784271839 has 8 divisors (see below), whose sum is σ = 15978673920. Its totient is φ = 7723025496.

The previous prime is 11784271801. The next prime is 11784271843. The reversal of 11784271839 is 93817248711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11784271839 - 2¹² = 11784267743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11784271791 and 11784271800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11784271879) 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, 33288727 + ... + 33289080.

It is an arithmetic number, because the mean of its divisors is an integer number (1997334240).

Almost surely, 2^11784271839 is an apocalyptic number.

11784271839 is a deficient number, since it is larger than the sum of its proper divisors (4194402081).

11784271839 is an equidigital number, since it uses as much as digits as its factorization.

11784271839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66577869.

The product of its digits is 677376, while the sum is 51.

The spelling of 11784271839 in words is "eleven billion, seven hundred eighty-four million, two hundred seventy-one thousand, eight hundred thirty-nine".