84041911 has 4 divisors (see below), whose sum is σ = 86313352. Its totient is φ = 81770472.

The previous prime is 84041891. The next prime is 84041929. The reversal of 84041911 is 11914048.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84041911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84041911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84021911) 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, 1135665 + ... + 1135738.

It is an arithmetic number, because the mean of its divisors is an integer number (21578338).

Almost surely, 2^84041911 is an apocalyptic number.

84041911 is a deficient number, since it is larger than the sum of its proper divisors (2271441).

84041911 is a wasteful number, since it uses less digits than its factorization.

84041911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271440.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 84041911 is about 9167.4375372838. The cubic root of 84041911 is about 438.0247391905.

Adding to 84041911 its reverse (11914048), we get a palindrome (95955959).

The spelling of 84041911 in words is "eighty-four million, forty-one thousand, nine hundred eleven".