82756787 has 2 divisors, whose sum is σ = 82756788. Its totient is φ = 82756786.

The previous prime is 82756781. The next prime is 82756853. The reversal of 82756787 is 78765728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82756787 - 2¹⁴ = 82740403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82756781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41378393 + 41378394.

It is an arithmetic number, because the mean of its divisors is an integer number (41378394).

Almost surely, 2^82756787 is an apocalyptic number.

82756787 is a deficient number, since it is larger than the sum of its proper divisors (1).

82756787 is an equidigital number, since it uses as much as digits as its factorization.

82756787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 50.

The square root of 82756787 is about 9097.0757389394. The cubic root of 82756787 is about 435.7805811053.

The spelling of 82756787 in words is "eighty-two million, seven hundred fifty-six thousand, seven hundred eighty-seven".