85417064305 has 4 divisors (see below), whose sum is σ = 102500477172. Its totient is φ = 68333651440.

The previous prime is 85417064287. The next prime is 85417064339. The reversal of 85417064305 is 50346071458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40652237376 + 44764826929 = 201624^2 + 211577^2 .

It is not a de Polignac number, because 85417064305 - 2⁹ = 85417063793 is a prime.

It is a super-3 number, since 3×85417064305³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8541706426 + ... + 8541706435.

It is an arithmetic number, because the mean of its divisors is an integer number (25625119293).

Almost surely, 2^85417064305 is an apocalyptic number.

It is an amenable number.

85417064305 is a deficient number, since it is larger than the sum of its proper divisors (17083412867).

85417064305 is a wasteful number, since it uses less digits than its factorization.

85417064305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17083412866.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 85417064305 in words is "eighty-five billion, four hundred seventeen million, sixty-four thousand, three hundred five".