85448843 has 2 divisors, whose sum is σ = 85448844. Its totient is φ = 85448842.

The previous prime is 85448747. The next prime is 85448863. The reversal of 85448843 is 34884458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85448843 - 2²² = 81254539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85448794 and 85448803.

It is not a weakly prime, because it can be changed into another prime (85448863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42724421 + 42724422.

It is an arithmetic number, because the mean of its divisors is an integer number (42724422).

Almost surely, 2^85448843 is an apocalyptic number.

85448843 is a deficient number, since it is larger than the sum of its proper divisors (1).

85448843 is an equidigital number, since it uses as much as digits as its factorization.

85448843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 491520, while the sum is 44.

The square root of 85448843 is about 9243.8543368013. The cubic root of 85448843 is about 440.4555251400.

The spelling of 85448843 in words is "eighty-five million, four hundred forty-eight thousand, eight hundred forty-three".