28055323259 has 8 divisors (see below), whose sum is σ = 29534856000. Its totient is φ = 26576084232.

The previous prime is 28055323253. The next prime is 28055323273. The reversal of 28055323259 is 95232355082.

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 28055323259 - 2⁴ = 28055323243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28055323253) 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, 138332 + ... + 274310.

It is an arithmetic number, because the mean of its divisors is an integer number (3691857000).

Almost surely, 2^28055323259 is an apocalyptic number.

28055323259 is a deficient number, since it is larger than the sum of its proper divisors (1479532741).

28055323259 is a wasteful number, since it uses less digits than its factorization.

28055323259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146857.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 28055323259 in words is "twenty-eight billion, fifty-five million, three hundred twenty-three thousand, two hundred fifty-nine".