82785467 has 2 divisors, whose sum is σ = 82785468. Its totient is φ = 82785466.

The previous prime is 82785457. The next prime is 82785473. The reversal of 82785467 is 76458728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82785467 - 2⁶ = 82785403 is a prime.

It is not a weakly prime, because it can be changed into another prime (82785457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41392733 + 41392734.

It is an arithmetic number, because the mean of its divisors is an integer number (41392734).

Almost surely, 2^82785467 is an apocalyptic number.

82785467 is a deficient number, since it is larger than the sum of its proper divisors (1).

82785467 is an equidigital number, since it uses as much as digits as its factorization.

82785467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 82785467 is about 9098.6519331162. The cubic root of 82785467 is about 435.8309163266.

The spelling of 82785467 in words is "eighty-two million, seven hundred eighty-five thousand, four hundred sixty-seven".