82776227 has 2 divisors, whose sum is σ = 82776228. Its totient is φ = 82776226.

The previous prime is 82776203. The next prime is 82776257. The reversal of 82776227 is 72267728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82776227 - 2¹⁴ = 82759843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82776257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41388113 + 41388114.

It is an arithmetic number, because the mean of its divisors is an integer number (41388114).

Almost surely, 2^82776227 is an apocalyptic number.

82776227 is a deficient number, since it is larger than the sum of its proper divisors (1).

82776227 is an equidigital number, since it uses as much as digits as its factorization.

82776227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 41.

The square root of 82776227 is about 9098.1441514190. The cubic root of 82776227 is about 435.8147008093.

The spelling of 82776227 in words is "eighty-two million, seven hundred seventy-six thousand, two hundred twenty-seven".