85224863 has 2 divisors, whose sum is σ = 85224864. Its totient is φ = 85224862.

The previous prime is 85224857. The next prime is 85224889. The reversal of 85224863 is 36842258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85224863 - 2⁴ = 85224847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85224803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42612431 + 42612432.

It is an arithmetic number, because the mean of its divisors is an integer number (42612432).

Almost surely, 2^85224863 is an apocalyptic number.

85224863 is a deficient number, since it is larger than the sum of its proper divisors (1).

85224863 is an equidigital number, since it uses as much as digits as its factorization.

85224863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 38.

The square root of 85224863 is about 9231.7313110814. The cubic root of 85224863 is about 440.0703451579.

The spelling of 85224863 in words is "eighty-five million, two hundred twenty-four thousand, eight hundred sixty-three".