28437281324 has 12 divisors (see below), whose sum is σ = 49801287648. Its totient is φ = 14208342000.

The previous prime is 28437281311. The next prime is 28437281347. The reversal of 28437281324 is 42318273482.

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, 2568452 + ... + 2579499.

It is an arithmetic number, because the mean of its divisors is an integer number (4150107304).

Almost surely, 2^28437281324 is an apocalyptic number.

It is an amenable number.

28437281324 is a deficient number, since it is larger than the sum of its proper divisors (21364006324).

28437281324 is a wasteful number, since it uses less digits than its factorization.

28437281324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149336 (or 5149334 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The spelling of 28437281324 in words is "twenty-eight billion, four hundred thirty-seven million, two hundred eighty-one thousand, three hundred twenty-four".