85229701 has 2 divisors, whose sum is σ = 85229702. Its totient is φ = 85229700.

The previous prime is 85229623. The next prime is 85229707. The reversal of 85229701 is 10792258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82901025 + 2328676 = 9105^2 + 1526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85229701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85229707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42614850 + 42614851.

It is an arithmetic number, because the mean of its divisors is an integer number (42614851).

Almost surely, 2^85229701 is an apocalyptic number.

It is an amenable number.

85229701 is a deficient number, since it is larger than the sum of its proper divisors (1).

85229701 is an equidigital number, since it uses as much as digits as its factorization.

85229701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 85229701 is about 9231.9933383858. The cubic root of 85229701 is about 440.0786722273.

The spelling of 85229701 in words is "eighty-five million, two hundred twenty-nine thousand, seven hundred one".