11728946879 has 8 divisors (see below), whose sum is σ = 12783357552. Its totient is φ = 10696276800.

The previous prime is 11728946857. The next prime is 11728946893. The reversal of 11728946879 is 97864982711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11728946879 - 2¹⁶ = 11728881343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728946819) 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, 5434022 + ... + 5436179.

It is an arithmetic number, because the mean of its divisors is an integer number (1597919694).

Almost surely, 2^11728946879 is an apocalyptic number.

11728946879 is a deficient number, since it is larger than the sum of its proper divisors (1054410673).

11728946879 is a wasteful number, since it uses less digits than its factorization.

11728946879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870297.

The product of its digits is 12192768, while the sum is 62.

The spelling of 11728946879 in words is "eleven billion, seven hundred twenty-eight million, nine hundred forty-six thousand, eight hundred seventy-nine".