82127767 has 2 divisors, whose sum is σ = 82127768. Its totient is φ = 82127766.

The previous prime is 82127737. The next prime is 82127789. The reversal of 82127767 is 76772128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82127767 - 2¹⁹ = 81603479 is a prime.

It is a super-2 number, since 2×82127767² = 13489940224812578, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82127737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41063883 + 41063884.

It is an arithmetic number, because the mean of its divisors is an integer number (41063884).

Almost surely, 2^82127767 is an apocalyptic number.

82127767 is a deficient number, since it is larger than the sum of its proper divisors (1).

82127767 is an equidigital number, since it uses as much as digits as its factorization.

82127767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 40.

The square root of 82127767 is about 9062.4371446096. The cubic root of 82127767 is about 434.6736743160.

The spelling of 82127767 in words is "eighty-two million, one hundred twenty-seven thousand, seven hundred sixty-seven".