28716508659 has 16 divisors (see below), whose sum is σ = 39528345600. Its totient is φ = 18524647680.

The previous prime is 28716508643. The next prime is 28716508687. The reversal of 28716508659 is 95680561782.

It is not a de Polignac number, because 28716508659 - 2⁴ = 28716508643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28716508599 and 28716508608.

It is not an unprimeable number, because it can be changed into a prime (28716508759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397542 + ... + 1417940.

It is an arithmetic number, because the mean of its divisors is an integer number (2470521600).

Almost surely, 2^28716508659 is an apocalyptic number.

28716508659 is a deficient number, since it is larger than the sum of its proper divisors (10811836941).

28716508659 is a wasteful number, since it uses less digits than its factorization.

28716508659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35570.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 28716508659 in words is "twenty-eight billion, seven hundred sixteen million, five hundred eight thousand, six hundred fifty-nine".