82371233905 has 8 divisors (see below), whose sum is σ = 101516980392. Its totient is φ = 64115987328.

The previous prime is 82371233899. The next prime is 82371233921. The reversal of 82371233905 is 50933217328.

It can be written as a sum of positive squares in 4 ways, for example, as 6861140224 + 75510093681 = 82832^2 + 274791^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82371233905 - 2²⁷ = 82237016177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222624772 + ... + 222625141.

It is an arithmetic number, because the mean of its divisors is an integer number (12689622549).

Almost surely, 2^82371233905 is an apocalyptic number.

It is an amenable number.

82371233905 is a deficient number, since it is larger than the sum of its proper divisors (19145746487).

82371233905 is a wasteful number, since it uses less digits than its factorization.

82371233905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445249955.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 82371233905 in words is "eighty-two billion, three hundred seventy-one million, two hundred thirty-three thousand, nine hundred five".