85070617 has 2 divisors, whose sum is σ = 85070618. Its totient is φ = 85070616.

The previous prime is 85070563. The next prime is 85070633. The reversal of 85070617 is 71607058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84989961 + 80656 = 9219^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 85070617 - 2¹¹ = 85068569 is a prime.

It is not a weakly prime, because it can be changed into another prime (85070647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42535308 + 42535309.

It is an arithmetic number, because the mean of its divisors is an integer number (42535309).

Almost surely, 2^85070617 is an apocalyptic number.

It is an amenable number.

85070617 is a deficient number, since it is larger than the sum of its proper divisors (1).

85070617 is an equidigital number, since it uses as much as digits as its factorization.

85070617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 85070617 is about 9223.3734067314. The cubic root of 85070617 is about 439.8046946576.

The spelling of 85070617 in words is "eighty-five million, seventy thousand, six hundred seventeen".