85017011 has 4 divisors (see below), whose sum is σ = 85066632. Its totient is φ = 84967392.

The previous prime is 85017007. The next prime is 85017029. The reversal of 85017011 is 11071058.

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

It is a cyclic number.

It is not a de Polignac number, because 85017011 - 2² = 85017007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85017061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22145 + ... + 25698.

It is an arithmetic number, because the mean of its divisors is an integer number (21266658).

Almost surely, 2^85017011 is an apocalyptic number.

85017011 is a deficient number, since it is larger than the sum of its proper divisors (49621).

85017011 is a wasteful number, since it uses less digits than its factorization.

85017011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49620.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 85017011 is about 9220.4669621446. The cubic root of 85017011 is about 439.7122964239.

Adding to 85017011 its reverse (11071058), we get a palindrome (96088069).

The spelling of 85017011 in words is "eighty-five million, seventeen thousand, eleven".