28384195979 has 6 divisors (see below), whose sum is σ = 30152070084. Its totient is φ = 26714537120.

The previous prime is 28384195967. The next prime is 28384195999. The reversal of 28384195979 is 97959148382.

It is not a de Polignac number, because 28384195979 - 2⁴ = 28384195963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28384195999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49107317 + ... + 49107894.

It is an arithmetic number, because the mean of its divisors is an integer number (5025345014).

Almost surely, 2^28384195979 is an apocalyptic number.

28384195979 is a deficient number, since it is larger than the sum of its proper divisors (1767874105).

28384195979 is an equidigital number, since it uses as much as digits as its factorization.

28384195979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98215245 (or 98215228 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 65.

The spelling of 28384195979 in words is "twenty-eight billion, three hundred eighty-four million, one hundred ninety-five thousand, nine hundred seventy-nine".