82362721867 has 2 divisors, whose sum is σ = 82362721868. Its totient is φ = 82362721866.

The previous prime is 82362721829. The next prime is 82362721873. The reversal of 82362721867 is 76812726328.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82362721867 is a prime.

It is not a weakly prime, because it can be changed into another prime (82362728867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41181360933 + 41181360934.

It is an arithmetic number, because the mean of its divisors is an integer number (41181360934).

Almost surely, 2^82362721867 is an apocalyptic number.

82362721867 is a deficient number, since it is larger than the sum of its proper divisors (1).

82362721867 is an equidigital number, since it uses as much as digits as its factorization.

82362721867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 52.

The spelling of 82362721867 in words is "eighty-two billion, three hundred sixty-two million, seven hundred twenty-one thousand, eight hundred sixty-seven".