28084826491 has 8 divisors (see below), whose sum is σ = 28122217200. Its totient is φ = 28047462240.

The previous prime is 28084826477. The next prime is 28084826509. The reversal of 28084826491 is 19462848082.

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 28084826491 - 2¹⁹ = 28084302203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28084829491) 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, 2902201 + ... + 2911861.

It is an arithmetic number, because the mean of its divisors is an integer number (3515277150).

Almost surely, 2^28084826491 is an apocalyptic number.

28084826491 is a deficient number, since it is larger than the sum of its proper divisors (37390709).

28084826491 is a wasteful number, since it uses less digits than its factorization.

28084826491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13229.

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 28084826491 in words is "twenty-eight billion, eighty-four million, eight hundred twenty-six thousand, four hundred ninety-one".