28316403105 has 32 divisors (see below), whose sum is σ = 45928995840. Its totient is φ = 14895672000.

The previous prime is 28316403083. The next prime is 28316403131. The reversal of 28316403105 is 50130461382.

It is not a de Polignac number, because 28316403105 - 2¹⁵ = 28316370337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351286 + ... + 424304.

It is an arithmetic number, because the mean of its divisors is an integer number (1435281120).

Almost surely, 2^28316403105 is an apocalyptic number.

It is an amenable number.

28316403105 is a deficient number, since it is larger than the sum of its proper divisors (17612592735).

28316403105 is a wasteful number, since it uses less digits than its factorization.

28316403105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73381.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 28316403105 its reverse (50130461382), we get a palindrome (78446864487).

The spelling of 28316403105 in words is "twenty-eight billion, three hundred sixteen million, four hundred three thousand, one hundred five".