85622743 has 2 divisors, whose sum is σ = 85622744. Its totient is φ = 85622742.

The previous prime is 85622707. The next prime is 85622753. The reversal of 85622743 is 34722658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85622743 - 2¹⁷ = 85491671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85622753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42811371 + 42811372.

It is an arithmetic number, because the mean of its divisors is an integer number (42811372).

Almost surely, 2^85622743 is an apocalyptic number.

85622743 is a deficient number, since it is larger than the sum of its proper divisors (1).

85622743 is an equidigital number, since it uses as much as digits as its factorization.

85622743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 85622743 is about 9253.2558053909. The cubic root of 85622743 is about 440.7541182758.

The spelling of 85622743 in words is "eighty-five million, six hundred twenty-two thousand, seven hundred forty-three".