85633011 has 8 divisors (see below), whose sum is σ = 126863760. Its totient is φ = 57088656.

The previous prime is 85633003. The next prime is 85633039. The reversal of 85633011 is 11033658.

It is not a de Polignac number, because 85633011 - 2³ = 85633003 is a prime.

It is a super-2 number, since 2×85633011² = 14666025145852242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3171593 = 85633011 / (8 + 5 + 6 + 3 + 3 + 0 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (85633061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585770 + ... + 1585823.

It is an arithmetic number, because the mean of its divisors is an integer number (15857970).

Almost surely, 2^85633011 is an apocalyptic number.

85633011 is a deficient number, since it is larger than the sum of its proper divisors (41230749).

85633011 is a wasteful number, since it uses less digits than its factorization.

85633011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171602 (or 3171596 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 85633011 is about 9253.8106204958. The cubic root of 85633011 is about 440.7717361899.

Adding to 85633011 its reverse (11033658), we get a palindrome (96666669).

The spelling of 85633011 in words is "eighty-five million, six hundred thirty-three thousand, eleven".