28081528235 has 8 divisors (see below), whose sum is σ = 33701423760. Its totient is φ = 22462829344.

The previous prime is 28081528213. The next prime is 28081528247. The reversal of 28081528235 is 53282518082.

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 28081528235 - 2¹⁰ = 28081527211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246692 + ... + 342081.

It is an arithmetic number, because the mean of its divisors is an integer number (4212677970).

Almost surely, 2^28081528235 is an apocalyptic number.

28081528235 is a deficient number, since it is larger than the sum of its proper divisors (5619895525).

28081528235 is an equidigital number, since it uses as much as digits as its factorization.

28081528235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598317.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 28081528235 in words is "twenty-eight billion, eighty-one million, five hundred twenty-eight thousand, two hundred thirty-five".