84115011 has 4 divisors (see below), whose sum is σ = 112153352. Its totient is φ = 56076672.

The previous prime is 84115001. The next prime is 84115037. The reversal of 84115011 is 11051148.

It is a happy number.

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

It is not a de Polignac number, because 84115011 - 2⁷ = 84114883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84115001) 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, 14019166 + ... + 14019171.

It is an arithmetic number, because the mean of its divisors is an integer number (28038338).

Almost surely, 2^84115011 is an apocalyptic number.

84115011 is a deficient number, since it is larger than the sum of its proper divisors (28038341).

84115011 is a wasteful number, since it uses less digits than its factorization.

84115011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28038340.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 84115011 is about 9171.4236081428. The cubic root of 84115011 is about 438.1517009605.

Adding to 84115011 its reverse (11051148), we get a palindrome (95166159).

The spelling of 84115011 in words is "eighty-four million, one hundred fifteen thousand, eleven".