82727279 has 2 divisors, whose sum is σ = 82727280. Its totient is φ = 82727278.

The previous prime is 82727269. The next prime is 82727303. The reversal of 82727279 is 97272728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82727279 - 2⁸ = 82727023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82727269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41363639 + 41363640.

It is an arithmetic number, because the mean of its divisors is an integer number (41363640).

Almost surely, 2^82727279 is an apocalyptic number.

82727279 is a deficient number, since it is larger than the sum of its proper divisors (1).

82727279 is an equidigital number, since it uses as much as digits as its factorization.

82727279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 44.

The square root of 82727279 is about 9095.4537544864. The cubic root of 82727279 is about 435.7287805521.

It can be divided in two parts, 8272 and 7279, that added together give a palindrome (15551).

The spelling of 82727279 in words is "eighty-two million, seven hundred twenty-seven thousand, two hundred seventy-nine".