28165247296 has 28 divisors (see below), whose sum is σ = 57817672020. Its totient is φ = 13597015040.

The previous prime is 28165247251. The next prime is 28165247321. The reversal of 28165247296 is 69274256182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18999865600 + 9165381696 = 137840^2 + 95736^2 .

It is a congruent number.

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, 7585765 + ... + 7589476.

Almost surely, 2^28165247296 is an apocalyptic number.

It is an amenable number.

28165247296 is an abundant number, since it is smaller than the sum of its proper divisors (29652424724).

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

28165247296 is a wasteful number, since it uses less digits than its factorization.

28165247296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175282 (or 15175272 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 28165247296 in words is "twenty-eight billion, one hundred sixty-five million, two hundred forty-seven thousand, two hundred ninety-six".