28016441939 has 8 divisors (see below), whose sum is σ = 28247052240. Its totient is φ = 27786085600.

The previous prime is 28016441909. The next prime is 28016441951. The reversal of 28016441939 is 93914461082.

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 28016441939 - 2²⁸ = 27748006483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28016441893 and 28016441902.

It is not an unprimeable number, because it can be changed into a prime (28016441909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161309 + ... + 286449.

It is an arithmetic number, because the mean of its divisors is an integer number (3530881530).

Almost surely, 2^28016441939 is an apocalyptic number.

28016441939 is a deficient number, since it is larger than the sum of its proper divisors (230610301).

28016441939 is a wasteful number, since it uses less digits than its factorization.

28016441939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126981.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 28016441939 in words is "twenty-eight billion, sixteen million, four hundred forty-one thousand, nine hundred thirty-nine".