28613757884 has 24 divisors (see below), whose sum is σ = 50388201360. Its totient is φ = 14217238784.

The previous prime is 28613757869. The next prime is 28613757979. The reversal of 28613757884 is 48875731682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099082 + ... + 1124814.

It is an arithmetic number, because the mean of its divisors is an integer number (2099508390).

Almost surely, 2^28613757884 is an apocalyptic number.

It is an amenable number.

28613757884 is a deficient number, since it is larger than the sum of its proper divisors (21774443476).

28613757884 is a wasteful number, since it uses less digits than its factorization.

28613757884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27469 (or 27467 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 59.

The spelling of 28613757884 in words is "twenty-eight billion, six hundred thirteen million, seven hundred fifty-seven thousand, eight hundred eighty-four".