82378784823 has 32 divisors (see below), whose sum is σ = 116845977600. Its totient is φ = 51478955136.

The previous prime is 82378784821. The next prime is 82378784827. The reversal of 82378784823 is 32848787328.

It is not a de Polignac number, because 82378784823 - 2¹ = 82378784821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82378784821) 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, 2684893 + ... + 2715401.

It is an arithmetic number, because the mean of its divisors is an integer number (3651436800).

Almost surely, 2^82378784823 is an apocalyptic number.

82378784823 is a deficient number, since it is larger than the sum of its proper divisors (34467192777).

82378784823 is a wasteful number, since it uses less digits than its factorization.

82378784823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031.

The product of its digits is 28901376, while the sum is 60.

The spelling of 82378784823 in words is "eighty-two billion, three hundred seventy-eight million, seven hundred eighty-four thousand, eight hundred twenty-three".