85967111 has 4 divisors (see below), whose sum is σ = 85986000. Its totient is φ = 85948224.

The previous prime is 85967093. The next prime is 85967143. The reversal of 85967111 is 11176958.

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 85967111 - 2¹⁰ = 85966087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85967311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (21496500).

Almost surely, 2^85967111 is an apocalyptic number.

85967111 is a deficient number, since it is larger than the sum of its proper divisors (18889).

85967111 is a wasteful number, since it uses less digits than its factorization.

85967111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888.

The product of its digits is 15120, while the sum is 38.

The square root of 85967111 is about 9271.8450698877. The cubic root of 85967111 is about 441.3442207716.

The spelling of 85967111 in words is "eighty-five million, nine hundred sixty-seven thousand, one hundred eleven".