28395445359 has 8 divisors (see below), whose sum is σ = 37869860272. Its totient is φ = 18925663680.

The previous prime is 28395445327. The next prime is 28395445373. The reversal of 28395445359 is 95354459382.

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

It is not a de Polignac number, because 28395445359 - 2⁵ = 28395445327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28395445299 and 28395445308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28395445159) 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, 1143982 + ... + 1168539.

It is an arithmetic number, because the mean of its divisors is an integer number (4733732534).

Almost surely, 2^28395445359 is an apocalyptic number.

28395445359 is a deficient number, since it is larger than the sum of its proper divisors (9474414913).

28395445359 is a wasteful number, since it uses less digits than its factorization.

28395445359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316617.

The product of its digits is 23328000, while the sum is 57.

The spelling of 28395445359 in words is "twenty-eight billion, three hundred ninety-five million, four hundred forty-five thousand, three hundred fifty-nine".