28082121083 has 4 divisors (see below), whose sum is σ = 28082637408. Its totient is φ = 28081604760.

The previous prime is 28082121079. The next prime is 28082121113. The reversal of 28082121083 is 38012128082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28082121083 - 2² = 28082121079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28082129083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165491 + ... + 289052.

It is an arithmetic number, because the mean of its divisors is an integer number (7020659352).

Almost surely, 2^28082121083 is an apocalyptic number.

28082121083 is a deficient number, since it is larger than the sum of its proper divisors (516325).

28082121083 is an equidigital number, since it uses as much as digits as its factorization.

28082121083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516324.

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 28082121083 in words is "twenty-eight billion, eighty-two million, one hundred twenty-one thousand, eighty-three".