85396043 has 2 divisors, whose sum is σ = 85396044. Its totient is φ = 85396042.

The previous prime is 85396027. The next prime is 85396063. The reversal of 85396043 is 34069358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85396043 - 2⁴ = 85396027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85395988 and 85396006.

It is not a weakly prime, because it can be changed into another prime (85396063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42698021 + 42698022.

It is an arithmetic number, because the mean of its divisors is an integer number (42698022).

Almost surely, 2^85396043 is an apocalyptic number.

85396043 is a deficient number, since it is larger than the sum of its proper divisors (1).

85396043 is an equidigital number, since it uses as much as digits as its factorization.

85396043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 85396043 is about 9240.9979439452. The cubic root of 85396043 is about 440.3647852984.

Adding to 85396043 its sum of digits (38), we get a square (85396081 = 9241²).

The spelling of 85396043 in words is "eighty-five million, three hundred ninety-six thousand, forty-three".