85662743 has 2 divisors, whose sum is σ = 85662744. Its totient is φ = 85662742.

The previous prime is 85662713. The next prime is 85662757. The reversal of 85662743 is 34726658.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85662743 - 2⁶ = 85662679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85662743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85662713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42831371 + 42831372.

It is an arithmetic number, because the mean of its divisors is an integer number (42831372).

Almost surely, 2^85662743 is an apocalyptic number.

85662743 is a deficient number, since it is larger than the sum of its proper divisors (1).

85662743 is an equidigital number, since it uses as much as digits as its factorization.

85662743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 85662743 is about 9255.4169544111. The cubic root of 85662743 is about 440.8227426444.

The spelling of 85662743 in words is "eighty-five million, six hundred sixty-two thousand, seven hundred forty-three".