28416945684 has 12 divisors (see below), whose sum is σ = 66306206624. Its totient is φ = 9472315224.

The previous prime is 28416945659. The next prime is 28416945703. The reversal of 28416945684 is 48654961482.

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

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, 1184039392 + ... + 1184039415.

Almost surely, 2^28416945684 is an apocalyptic number.

It is an amenable number.

28416945684 is an abundant number, since it is smaller than the sum of its proper divisors (37889260940).

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

28416945684 is a wasteful number, since it uses less digits than its factorization.

28416945684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368078814 (or 2368078812 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 57.

The spelling of 28416945684 in words is "twenty-eight billion, four hundred sixteen million, nine hundred forty-five thousand, six hundred eighty-four".