28417656813 has 32 divisors (see below), whose sum is σ = 46702688256. Its totient is φ = 14967488448.

The previous prime is 28417656811. The next prime is 28417656833. The reversal of 28417656813 is 31865671482.

It is not a de Polignac number, because 28417656813 - 2¹ = 28417656811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28417656811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110256 + ... + 262662.

It is an arithmetic number, because the mean of its divisors is an integer number (1459459008).

Almost surely, 2^28417656813 is an apocalyptic number.

It is an amenable number.

28417656813 is a deficient number, since it is larger than the sum of its proper divisors (18285031443).

28417656813 is a wasteful number, since it uses less digits than its factorization.

28417656813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153113.

The product of its digits is 1935360, while the sum is 51.

The spelling of 28417656813 in words is "twenty-eight billion, four hundred seventeen million, six hundred fifty-six thousand, eight hundred thirteen".