28676515745 has 16 divisors (see below), whose sum is σ = 36347976192. Its totient is φ = 21684862080.

The previous prime is 28676515717. The next prime is 28676515753. The reversal of 28676515745 is 54751567682.

It is not a de Polignac number, because 28676515745 - 2¹⁰ = 28676514721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2144612 + ... + 2157941.

It is an arithmetic number, because the mean of its divisors is an integer number (2271748512).

Almost surely, 2^28676515745 is an apocalyptic number.

It is an amenable number.

28676515745 is a deficient number, since it is larger than the sum of its proper divisors (7671460447).

28676515745 is a wasteful number, since it uses less digits than its factorization.

28676515745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302632.

The product of its digits is 14112000, while the sum is 56.

The spelling of 28676515745 in words is "twenty-eight billion, six hundred seventy-six million, five hundred fifteen thousand, seven hundred forty-five".