85056943 has 2 divisors, whose sum is σ = 85056944. Its totient is φ = 85056942.

The previous prime is 85056931. The next prime is 85056953. The reversal of 85056943 is 34965058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85056943 - 2⁵ = 85056911 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 85056896 and 85056905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85056953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42528471 + 42528472.

It is an arithmetic number, because the mean of its divisors is an integer number (42528472).

Almost surely, 2^85056943 is an apocalyptic number.

85056943 is a deficient number, since it is larger than the sum of its proper divisors (1).

85056943 is an equidigital number, since it uses as much as digits as its factorization.

85056943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 85056943 is about 9222.6321080264. The cubic root of 85056943 is about 439.7811290919.

The spelling of 85056943 in words is "eighty-five million, fifty-six thousand, nine hundred forty-three".