84089011 has 4 divisors (see below), whose sum is σ = 84108024. Its totient is φ = 84070000.

The previous prime is 84088999. The next prime is 84089039. The reversal of 84089011 is 11098048.

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 84089011 - 2⁷ = 84088883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84089711) 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, 996 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (21027006).

Almost surely, 2^84089011 is an apocalyptic number.

84089011 is a deficient number, since it is larger than the sum of its proper divisors (19013).

84089011 is a wasteful number, since it uses less digits than its factorization.

84089011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 84089011 is about 9170.0060523426. The cubic root of 84089011 is about 438.1065519911.

The spelling of 84089011 in words is "eighty-four million, eighty-nine thousand, eleven".