28744574445716 has 12 divisors (see below), whose sum is σ = 50821592963988. Its totient is φ = 14224119313152.

The previous prime is 28744574445611. The next prime is 28744574445757. The reversal of 28744574445716 is 61754447544782.

It can be written as a sum of positive squares in 2 ways, for example, as 14791331402500 + 13953243043216 = 3845950^2 + 3735404^2 .

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, 37041976991 + ... + 37041977766.

It is an arithmetic number, because the mean of its divisors is an integer number (4235132746999).

Almost surely, 2^{28744574445716} is an apocalyptic number.

It is an amenable number.

28744574445716 is a deficient number, since it is larger than the sum of its proper divisors (22077018518272).

28744574445716 is a wasteful number, since it uses less digits than its factorization.

28744574445716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74083954858 (or 74083954856 counting only the distinct ones).

The product of its digits is 842956800, while the sum is 68.

The spelling of 28744574445716 in words is "twenty-eight trillion, seven hundred forty-four billion, five hundred seventy-four million, four hundred forty-five thousand, seven hundred sixteen".