85022177 has 2 divisors, whose sum is σ = 85022178. Its totient is φ = 85022176.

The previous prime is 85022167. The next prime is 85022183. The reversal of 85022177 is 77122058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69372241 + 15649936 = 8329^2 + 3956^2 .

It is a cyclic number.

It is not a de Polignac number, because 85022177 - 2¹⁴ = 85005793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85022167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42511088 + 42511089.

It is an arithmetic number, because the mean of its divisors is an integer number (42511089).

Almost surely, 2^85022177 is an apocalyptic number.

It is an amenable number.

85022177 is a deficient number, since it is larger than the sum of its proper divisors (1).

85022177 is an equidigital number, since it uses as much as digits as its factorization.

85022177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 85022177 is about 9220.7470955449. The cubic root of 85022177 is about 439.7212025149.

The spelling of 85022177 in words is "eighty-five million, twenty-two thousand, one hundred seventy-seven".