28098116233 has 4 divisors (see below), whose sum is σ = 30652490448. Its totient is φ = 25543742020.

The previous prime is 28098116227. The next prime is 28098116279. The reversal of 28098116233 is 33261189082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28098116233 - 2¹³ = 28098108041 is a prime.

It is a super-2 number, since 2×28098116233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28098116233.

It is not an unprimeable number, because it can be changed into a prime (28098116213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277187091 + ... + 1277187112.

It is an arithmetic number, because the mean of its divisors is an integer number (7663122612).

Almost surely, 2^28098116233 is an apocalyptic number.

It is an amenable number.

28098116233 is a deficient number, since it is larger than the sum of its proper divisors (2554374215).

28098116233 is a wasteful number, since it uses less digits than its factorization.

28098116233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554374214.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 28098116233 in words is "twenty-eight billion, ninety-eight million, one hundred sixteen thousand, two hundred thirty-three".