28806610071 has 16 divisors (see below), whose sum is σ = 38636059136. Its totient is φ = 19090930176.

The previous prime is 28806610069. The next prime is 28806610117. The reversal of 28806610071 is 17001660882.

It is not a de Polignac number, because 28806610071 - 2¹ = 28806610069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28806610271) 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, 806436 + ... + 841398.

It is an arithmetic number, because the mean of its divisors is an integer number (2414753696).

Almost surely, 2^28806610071 is an apocalyptic number.

28806610071 is a deficient number, since it is larger than the sum of its proper divisors (9829449065).

28806610071 is a wasteful number, since it uses less digits than its factorization.

28806610071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36582.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 28806610071 in words is "twenty-eight billion, eight hundred six million, six hundred ten thousand, seventy-one".