82438928773 has 16 divisors (see below), whose sum is σ = 88850174976. Its totient is φ = 76266241920.

The previous prime is 82438928771. The next prime is 82438928777. The reversal of 82438928773 is 37782983428.

It is a cyclic number.

It is not a de Polignac number, because 82438928773 - 2¹ = 82438928771 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 (82438928771) 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, 1216911 + ... + 1282867.

It is an arithmetic number, because the mean of its divisors is an integer number (5553135936).

Almost surely, 2^82438928773 is an apocalyptic number.

It is an amenable number.

82438928773 is a deficient number, since it is larger than the sum of its proper divisors (6411246203).

82438928773 is a wasteful number, since it uses less digits than its factorization.

82438928773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67764.

The product of its digits is 32514048, while the sum is 61.

The spelling of 82438928773 in words is "eighty-two billion, four hundred thirty-eight million, nine hundred twenty-eight thousand, seven hundred seventy-three".