82228377811 has 2 divisors, whose sum is σ = 82228377812. Its totient is φ = 82228377810.

The previous prime is 82228377733. The next prime is 82228377863. The reversal of 82228377811 is 11877382228.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82228377811 - 2⁷ = 82228377683 is a prime.

It is a super-2 number, since 2×82228377811² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82228378811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41114188905 + 41114188906.

It is an arithmetic number, because the mean of its divisors is an integer number (41114188906).

Almost surely, 2^82228377811 is an apocalyptic number.

82228377811 is a deficient number, since it is larger than the sum of its proper divisors (1).

82228377811 is an equidigital number, since it uses as much as digits as its factorization.

82228377811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 49.

The spelling of 82228377811 in words is "eighty-two billion, two hundred twenty-eight million, three hundred seventy-seven thousand, eight hundred eleven".