84011087 has 2 divisors, whose sum is σ = 84011088. Its totient is φ = 84011086.

The previous prime is 84011077. The next prime is 84011107. The reversal of 84011087 is 78011048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84011087 - 2¹⁰ = 84010063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84011047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42005543 + 42005544.

It is an arithmetic number, because the mean of its divisors is an integer number (42005544).

Almost surely, 2^84011087 is an apocalyptic number.

84011087 is a deficient number, since it is larger than the sum of its proper divisors (1).

84011087 is an equidigital number, since it uses as much as digits as its factorization.

84011087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 84011087 is about 9165.7562153922. The cubic root of 84011087 is about 437.9711812874.

The spelling of 84011087 in words is "eighty-four million, eleven thousand, eighty-seven".