12584235979 has 8 divisors (see below), whose sum is σ = 14419537920. Its totient is φ = 10758322536.

The previous prime is 12584235977. The next prime is 12584236003. The reversal of 12584235979 is 97953248521.

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 12584235979 - 2¹ = 12584235977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12584235977) 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, 2344249 + ... + 2349610.

It is an arithmetic number, because the mean of its divisors is an integer number (1802442240).

Almost surely, 2^12584235979 is an apocalyptic number.

12584235979 is a deficient number, since it is larger than the sum of its proper divisors (1835301941).

12584235979 is an equidigital number, since it uses as much as digits as its factorization.

12584235979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694249.

The product of its digits is 5443200, while the sum is 55.

The spelling of 12584235979 in words is "twelve billion, five hundred eighty-four million, two hundred thirty-five thousand, nine hundred seventy-nine".