28587288716016 has 80 divisors (see below), whose sum is σ = 74184043360800. Its totient is φ = 9486070262784.

The previous prime is 28587288715991. The next prime is 28587288716029. The reversal of 28587288716016 is 61061788278582.

It is a super-2 number, since 2×28587288716016² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74873950 + ... + 75254786.

It is an arithmetic number, because the mean of its divisors is an integer number (927300542010).

Almost surely, 2^{28587288716016} is an apocalyptic number.

It is an amenable number.

28587288716016 is an abundant number, since it is smaller than the sum of its proper divisors (45596754644784).

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

28587288716016 is a wasteful number, since it uses less digits than its factorization.

28587288716016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387906 (or 387900 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 69.

The spelling of 28587288716016 in words is "twenty-eight trillion, five hundred eighty-seven billion, two hundred eighty-eight million, seven hundred sixteen thousand, sixteen".