28717301716 has 24 divisors (see below), whose sum is σ = 50534141504. Its totient is φ = 14279086080.

The previous prime is 28717301677. The next prime is 28717301749. The reversal of 28717301716 is 61710371782.

It is a happy number.

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, 1086676 + ... + 1112788.

Almost surely, 2^28717301716 is an apocalyptic number.

It is an amenable number.

28717301716 is a deficient number, since it is larger than the sum of its proper divisors (21816839788).

28717301716 is a wasteful number, since it uses less digits than its factorization.

28717301716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27631 (or 27629 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 28717301716 in words is "twenty-eight billion, seven hundred seventeen million, three hundred one thousand, seven hundred sixteen".