84208111 has 8 divisors (see below), whose sum is σ = 90757184. Its totient is φ = 77669280.

The previous prime is 84208093. The next prime is 84208139. The reversal of 84208111 is 11180248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84208111 - 2⁷ = 84207983 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 (84208181) 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, 29050 + ... + 31816.

It is an arithmetic number, because the mean of its divisors is an integer number (11344648).

Almost surely, 2^84208111 is an apocalyptic number.

84208111 is a deficient number, since it is larger than the sum of its proper divisors (6549073).

84208111 is a wasteful number, since it uses less digits than its factorization.

84208111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 84208111 is about 9176.4977524108. The cubic root of 84208111 is about 438.3132927397.

Adding to 84208111 its reverse (11180248), we get a palindrome (95388359).

The spelling of 84208111 in words is "eighty-four million, two hundred eight thousand, one hundred eleven".