84045011 has 2 divisors, whose sum is σ = 84045012. Its totient is φ = 84045010.

The previous prime is 84044953. The next prime is 84045077. The reversal of 84045011 is 11054048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84045011 - 2¹⁴ = 84028627 is a prime.

It is not a weakly prime, because it can be changed into another prime (84045211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42022505 + 42022506.

It is an arithmetic number, because the mean of its divisors is an integer number (42022506).

Almost surely, 2^84045011 is an apocalyptic number.

84045011 is a deficient number, since it is larger than the sum of its proper divisors (1).

84045011 is an equidigital number, since it uses as much as digits as its factorization.

84045011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 84045011 is about 9167.6066124153. The cubic root of 84045011 is about 438.0301248367.

Adding to 84045011 its reverse (11054048), we get a palindrome (95099059).

The spelling of 84045011 in words is "eighty-four million, forty-five thousand, eleven".