84011611 has 2 divisors, whose sum is σ = 84011612. Its totient is φ = 84011610.

The previous prime is 84011561. The next prime is 84011621. The reversal of 84011611 is 11611048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84011611 - 2¹³ = 84003419 is a prime.

It is not a weakly prime, because it can be changed into another prime (84011621) 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 as a sum of consecutive naturals, namely, 42005805 + 42005806.

It is an arithmetic number, because the mean of its divisors is an integer number (42005806).

Almost surely, 2^84011611 is an apocalyptic number.

84011611 is a deficient number, since it is larger than the sum of its proper divisors (1).

84011611 is an equidigital number, since it uses as much as digits as its factorization.

84011611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 84011611 is about 9165.7848000049. The cubic root of 84011611 is about 437.9720918673.

Adding to 84011611 its reverse (11611048), we get a palindrome (95622659).

The spelling of 84011611 in words is "eighty-four million, eleven thousand, six hundred eleven".