28247896448 has 32 divisors (see below), whose sum is σ = 59236959000. Its totient is φ = 13380581376.

The previous prime is 28247896433. The next prime is 28247896451. The reversal of 28247896448 is 84469874282.

It is a tau number, because it is divible by the number of its divisors (32).

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, 5805113 + ... + 5809976.

Almost surely, 2^28247896448 is an apocalyptic number.

It is an amenable number.

28247896448 is an abundant number, since it is smaller than the sum of its proper divisors (30989062552).

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

28247896448 is a wasteful number, since it uses less digits than its factorization.

28247896448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615122 (or 11615110 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 62.

The spelling of 28247896448 in words is "twenty-eight billion, two hundred forty-seven million, eight hundred ninety-six thousand, four hundred forty-eight".