85856411 has 4 divisors (see below), whose sum is σ = 86073072. Its totient is φ = 85639752.

The previous prime is 85856369. The next prime is 85856437. The reversal of 85856411 is 11465858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11465858 = 2 ⋅5732929.

It is a cyclic number.

It is not a de Polignac number, because 85856411 - 2¹⁰ = 85855387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85856311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107735 + ... + 108528.

It is an arithmetic number, because the mean of its divisors is an integer number (21518268).

Almost surely, 2^85856411 is an apocalyptic number.

85856411 is a deficient number, since it is larger than the sum of its proper divisors (216661).

85856411 is a wasteful number, since it uses less digits than its factorization.

85856411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216660.

The product of its digits is 38400, while the sum is 38.

The square root of 85856411 is about 9265.8734612556. The cubic root of 85856411 is about 441.1546994897.

The spelling of 85856411 in words is "eighty-five million, eight hundred fifty-six thousand, four hundred eleven".