82285787 has 2 divisors, whose sum is σ = 82285788. Its totient is φ = 82285786.

The previous prime is 82285783. The next prime is 82285799. The reversal of 82285787 is 78758228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82285787 - 2² = 82285783 is a prime.

It is not a weakly prime, because it can be changed into another prime (82285781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41142893 + 41142894.

It is an arithmetic number, because the mean of its divisors is an integer number (41142894).

Almost surely, 2^82285787 is an apocalyptic number.

82285787 is a deficient number, since it is larger than the sum of its proper divisors (1).

82285787 is an equidigital number, since it uses as much as digits as its factorization.

82285787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760, while the sum is 47.

The square root of 82285787 is about 9071.1513602188. The cubic root of 82285787 is about 434.9522773207.

The spelling of 82285787 in words is "eighty-two million, two hundred eighty-five thousand, seven hundred eighty-seven".