85717063 has 2 divisors, whose sum is σ = 85717064. Its totient is φ = 85717062.

The previous prime is 85717039. The next prime is 85717081. The reversal of 85717063 is 36071758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85717063 - 2⁵ = 85717031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85717003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42858531 + 42858532.

It is an arithmetic number, because the mean of its divisors is an integer number (42858532).

Almost surely, 2^85717063 is an apocalyptic number.

85717063 is a deficient number, since it is larger than the sum of its proper divisors (1).

85717063 is an equidigital number, since it uses as much as digits as its factorization.

85717063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 85717063 is about 9258.3509870819. The cubic root of 85717063 is about 440.9159003422.

The spelling of 85717063 in words is "eighty-five million, seven hundred seventeen thousand, sixty-three".