82384471529 has 4 divisors (see below), whose sum is σ = 82385559876. Its totient is φ = 82383383184.

The previous prime is 82384471513. The next prime is 82384471531. The reversal of 82384471529 is 92517448328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80046555625 + 2337915904 = 282925^2 + 48352^2 .

It is a cyclic number.

It is not a de Polignac number, because 82384471529 - 2⁴ = 82384471513 is a prime.

It is a super-2 number, since 2×82384471529² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82384471129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421394 + ... + 585099.

It is an arithmetic number, because the mean of its divisors is an integer number (20596389969).

Almost surely, 2^82384471529 is an apocalyptic number.

It is an amenable number.

82384471529 is a deficient number, since it is larger than the sum of its proper divisors (1088347).

82384471529 is a wasteful number, since it uses less digits than its factorization.

82384471529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088346.

The product of its digits is 3870720, while the sum is 53.

The spelling of 82384471529 in words is "eighty-two billion, three hundred eighty-four million, four hundred seventy-one thousand, five hundred twenty-nine".