28495269168 has 80 divisors (see below), whose sum is σ = 78882201216. Its totient is φ = 8831964160.

The previous prime is 28495269167. The next prime is 28495269191. The reversal of 28495269168 is 86196259482.

It is not an unprimeable number, because it can be changed into a prime (28495269167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142638 + ... + 278093.

Almost surely, 2^28495269168 is an apocalyptic number.

It is an amenable number.

28495269168 is an abundant number, since it is smaller than the sum of its proper divisors (50386932048).

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

28495269168 is a wasteful number, since it uses less digits than its factorization.

28495269168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420842 (or 420836 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 28495269168 in words is "twenty-eight billion, four hundred ninety-five million, two hundred sixty-nine thousand, one hundred sixty-eight".