28439102983 has 4 divisors (see below), whose sum is σ = 28905317848. Its totient is φ = 27972888120.

The previous prime is 28439102981. The next prime is 28439102999. The reversal of 28439102983 is 38920193482.

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 28439102983 - 2¹ = 28439102981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28439102981) 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, 233107341 + ... + 233107462.

It is an arithmetic number, because the mean of its divisors is an integer number (7226329462).

Almost surely, 2^28439102983 is an apocalyptic number.

28439102983 is a deficient number, since it is larger than the sum of its proper divisors (466214865).

28439102983 is an equidigital number, since it uses as much as digits as its factorization.

28439102983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466214864.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 28439102983 in words is "twenty-eight billion, four hundred thirty-nine million, one hundred two thousand, nine hundred eighty-three".