82683895821 has 8 divisors (see below), whose sum is σ = 110247568704. Its totient is φ = 55121410080.

The previous prime is 82683895783. The next prime is 82683895841. The reversal of 82683895821 is 12859838628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82683895821 - 2¹⁸ = 82683633677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82683895841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119065 + ... + 423726.

It is an arithmetic number, because the mean of its divisors is an integer number (13780946088).

Almost surely, 2^82683895821 is an apocalyptic number.

It is an amenable number.

82683895821 is a deficient number, since it is larger than the sum of its proper divisors (27563672883).

82683895821 is a wasteful number, since it uses less digits than its factorization.

82683895821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593571.

The product of its digits is 13271040, while the sum is 60.

The spelling of 82683895821 in words is "eighty-two billion, six hundred eighty-three million, eight hundred ninety-five thousand, eight hundred twenty-one".