28237275012 has 12 divisors (see below), whose sum is σ = 65886975056. Its totient is φ = 9412425000.

The previous prime is 28237274999. The next prime is 28237275047. The reversal of 28237275012 is 21057273282.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1176553114 + ... + 1176553137.

Almost surely, 2^28237275012 is an apocalyptic number.

It is an amenable number.

28237275012 is an abundant number, since it is smaller than the sum of its proper divisors (37649700044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28237275012 is a wasteful number, since it uses less digits than its factorization.

28237275012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353106258 (or 2353106256 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 28237275012 in words is "twenty-eight billion, two hundred thirty-seven million, two hundred seventy-five thousand, twelve".