28768716873 has 48 divisors (see below), whose sum is σ = 45770489856. Its totient is φ = 17301755520.

The previous prime is 28768716857. The next prime is 28768716883. The reversal of 28768716873 is 37861786782.

It is not a de Polignac number, because 28768716873 - 2⁴ = 28768716857 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28768716873.

It is not an unprimeable number, because it can be changed into a prime (28768716883) 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 47 ways as a sum of consecutive naturals, for example, 4159288 + ... + 4166198.

It is an arithmetic number, because the mean of its divisors is an integer number (953551872).

Almost surely, 2^28768716873 is an apocalyptic number.

It is an amenable number.

28768716873 is a deficient number, since it is larger than the sum of its proper divisors (17001772983).

28768716873 is a wasteful number, since it uses less digits than its factorization.

28768716873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734 (or 7731 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The spelling of 28768716873 in words is "twenty-eight billion, seven hundred sixty-eight million, seven hundred sixteen thousand, eight hundred seventy-three".