28743653624 has 48 divisors (see below), whose sum is σ = 62714899800. Its totient is φ = 12314490048.

The previous prime is 28743653599. The next prime is 28743653629. The reversal of 28743653624 is 42635634782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28743653629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1311347 + ... + 1333085.

Almost surely, 2^28743653624 is an apocalyptic number.

It is an amenable number.

28743653624 is an abundant number, since it is smaller than the sum of its proper divisors (33971246176).

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

28743653624 is a wasteful number, since it uses less digits than its factorization.

28743653624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25132 (or 25121 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 50.

The spelling of 28743653624 in words is "twenty-eight billion, seven hundred forty-three million, six hundred fifty-three thousand, six hundred twenty-four".