28659127387 has 16 divisors (see below), whose sum is σ = 32050214784. Its totient is φ = 25399912000.

The previous prime is 28659127373. The next prime is 28659127397. The reversal of 28659127387 is 78372195682.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28659127387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28659127397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621312 + ... + 665842.

It is an arithmetic number, because the mean of its divisors is an integer number (2003138424).

Almost surely, 2^28659127387 is an apocalyptic number.

28659127387 is a deficient number, since it is larger than the sum of its proper divisors (3391087397).

28659127387 is a wasteful number, since it uses less digits than its factorization.

28659127387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46010.

The product of its digits is 10160640, while the sum is 58.

The spelling of 28659127387 in words is "twenty-eight billion, six hundred fifty-nine million, one hundred twenty-seven thousand, three hundred eighty-seven".