82362721811 has 2 divisors, whose sum is σ = 82362721812. Its totient is φ = 82362721810.

The previous prime is 82362721789. The next prime is 82362721829. The reversal of 82362721811 is 11812726328.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82362721811 is a prime.

It is not a weakly prime, because it can be changed into another prime (82362751811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41181360905 + 41181360906.

It is an arithmetic number, because the mean of its divisors is an integer number (41181360906).

Almost surely, 2^82362721811 is an apocalyptic number.

82362721811 is a deficient number, since it is larger than the sum of its proper divisors (1).

82362721811 is an equidigital number, since it uses as much as digits as its factorization.

82362721811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The spelling of 82362721811 in words is "eighty-two billion, three hundred sixty-two million, seven hundred twenty-one thousand, eight hundred eleven".