28310816008 has 16 divisors (see below), whose sum is σ = 53115960060. Its totient is φ = 14146560000.

The previous prime is 28310815979. The next prime is 28310816011. The reversal of 28310816008 is 80061801382.

It can be written as a sum of positive squares in 2 ways, for example, as 22476606084 + 5834209924 = 149922^2 + 76382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092393 + ... + 1118008.

Almost surely, 2^28310816008 is an apocalyptic number.

It is an amenable number.

28310816008 is a deficient number, since it is larger than the sum of its proper divisors (24805144052).

28310816008 is a wasteful number, since it uses less digits than its factorization.

28310816008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212008 (or 2212004 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 28310816008 in words is "twenty-eight billion, three hundred ten million, eight hundred sixteen thousand, eight".