82321078482431 has 4 divisors (see below), whose sum is σ = 82323320806032. Its totient is φ = 82318836158832.

The previous prime is 82321078482407. The next prime is 82321078482437. The reversal of 82321078482431 is 13428487012328.

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

It is a cyclic number.

It is not a de Polignac number, because 82321078482431 - 2⁶ = 82321078482367 is a prime.

It is a super-2 number, since 2×82321078482431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82321078482437) 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, 1121106731 + ... + 1121180156.

It is an arithmetic number, because the mean of its divisors is an integer number (20580830201508).

Almost surely, 2^{82321078482431} is an apocalyptic number.

82321078482431 is a deficient number, since it is larger than the sum of its proper divisors (2242323601).

82321078482431 is a wasteful number, since it uses less digits than its factorization.

82321078482431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242323600.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 82321078482431 in words is "eighty-two trillion, three hundred twenty-one billion, seventy-eight million, four hundred eighty-two thousand, four hundred thirty-one".